| 1 | 121502-04-3 | Maltosine | Maltosine | C12H18N2O4
| | |
| 2 | 31489-08-4 | Pyridosine | Pyridosine | C12H18N2O4
| | |
| 3 | 39508-00-4 | 3,5-二甲氧基-Α,Α-二甲基肼甲苯 | DDZ-HYDRAZIDE | C12H18N2O4
| | |
| 4 | | L-PHE-ALA 1/4 H2O | L-PHE-ALA 1/4 H2O | C12H18N2O4
| | |
| 5 | 1458640-32-8 | 卡比多巴杂质F | Carbidopa impurity F | C12H18N2O4
| 杂质对照品;卡比多巴杂质;对照品-杂质对照品 | |
| 6 | 91908-71-3 | Carbidopa Ethyl Ester | Carbidopa Ethyl Ester | C12H18N2O4
| | |
| 7 | | N-Hydroxy Secobarbital | N-Hydroxy Secobarbital | C12H18N2O4
| Intermediates & Fine Chemicals;Metabolites & Impurities;Pharmaceuticals;Heterocycles | |
| 8 | 1008213-43-1 | 3-(1-环己基-2,5-二氧代-咪唑啉-4-基)-丙酸 | ASINEX-REAG BAS 03220328 | C12H18N2O4
| | |
| 9 | | L-Rhamnose phenyl hydrazone | L-Rhamnose phenyl hydrazone | C12H18N2O4
| | |
| 10 | | 2,5-Dipropoxy-4-nitroaniline | 2,5-Dipropoxy-4-nitroaniline | C12H18N2O4
| | |
| 11 | | 4-Nitro-2,5-diisopropoxyaniline | 4-Nitro-2,5-diisopropoxyaniline | C12H18N2O4
| | |
| 12 | 1980010-85-2 | N-BOC-cis-4-Cyanomethyl-L-proline | N-BOC-cis-4-Cyanomethyl-L-proline | C12H18N2O4
| | |
| 13 | 144689-94-1 | 2-丙基-4,5-咪唑二羧酸二乙酯 | diethyl 2-propylimidazoledicarbonate | C12H18N2O4
| 咪唑;化工原料;其他原料;医药中间体;咪唑,吡唑等衍生物 | 医药 |
| 14 | 5602-34-6 | 1,4-dimorpholin-4-ylbut-2-ene-1,4-dione | 1,4-dimorpholin-4-ylbut-2-ene-1,4-dione | C12H18N2O4
| | |
| 15 | | 5-ETHYL-1,3-DIGLYCIDYL-5-METHYLHYDANTOIN | 5-ETHYL-1,3-DIGLYCIDYL-5-METHYLHYDANTOIN | C12H18N2O4
| | |
| 16 | 62637-92-7 | N,N-二乙基对苯二胺草酸盐 | bis(N,N-diethylbenzene-p-diamine) oxalate | C12H18N2O4
| 生化试剂;有机中间体 | |
| 17 | 1105663-96-4 | 1-BOC-3-氰基氮杂丁烷-3-羧酸乙酯 | Ethyl 1-Boc-3-cyanoazetidine-3-carboxylate | C12H18N2O4
| | |
| 18 | | DIETHYL-2-PROPYLIMIDAZOLE-4,5-DICARBOXYLATE | DIETHYL-2-PROPYLIMIDAZOLE-4,5-DICARBOXYLATE | C12H18N2O4
| Aromatics Compounds;Aromatics;Intermediates | |
| 19 | | 2,5-BIS(2-HYDROXYPROPYLAMINO)-P-BENZOQUINONE | 2,5-BIS(2-HYDROXYPROPYLAMINO)-P-BENZOQUINONE | C12H18N2O4
| | |
| 20 | 1049677-55-5 | tert-Butyl 4,5-dimethoxypyridin-3-ylcarbamate | tert-Butyl 4,5-dimethoxypyridin-3-ylcarbamate | C12H18N2O4
| | |
| 21 | 21330-83-6 | 5-Ethyl-1-(4-hydroxycyclohexyl)barbituric acid | 5-Ethyl-1-(4-hydroxycyclohexyl)barbituric acid | C12H18N2O4
| | |
| 22 | | 4'-Methoxy-3'-(2-methoxyethoxyamino)acetanilide | 4'-Methoxy-3'-(2-methoxyethoxyamino)acetanilide | C12H18N2O4
| | |
| 23 | 142439-89-2 | N,N-二乙基-对苯二胺 草酸盐(1:1) | N,N-Diethyl-p-phenylenediamine oxalate salt(1:1) | C12H18N2O4
| | |
| 24 | 617709-76-9 | diethyl 1-isopropyl-1H-pyrazole-3,5-dicarboxylate | diethyl 1-isopropyl-1H-pyrazole-3,5-dicarboxylate | C12H18N2O4
| | |
| 25 | | 4-(azocan-1-ylcarbonylamino)-4-oxobut-2-enoic acid | 4-(azocan-1-ylcarbonylamino)-4-oxobut-2-enoic acid | C12H18N2O4
| | |
| 26 | 43106-94-1 | 2,4-二乙氧基-6-甲基嘧啶-5-甲酸乙酯 | Ethyl 2,4-diethoxy-6-MethylpyriMidine-5-carboxylate | C12H18N2O4
| | |
| 27 | 869066-98-8 | diethyl 1-aMino-3-ethyl-1H-pyrrole-2,4-dicarboxylate | diethyl 1-aMino-3-ethyl-1H-pyrrole-2,4-dicarboxylate | C12H18N2O4
| | |
| 28 | 2131782-58-4 | 2,6-Diethoxy-N-methoxy-N-methyl-4-pyridinecarboxamide | 2,6-Diethoxy-N-methoxy-N-methyl-4-pyridinecarboxamide | C12H18N2O4
| | |
| 29 | | 2-[(butylcarbamoyl)amino]-2-(furan-2-yl)propanoic acid | 2-[(butylcarbamoyl)amino]-2-(furan-2-yl)propanoic acid | C12H18N2O4
| | |
| 30 | | 1H-Imidazole-4,5-dicarboxylicacid,2-proply,diethylester | 1H-Imidazole-4,5-dicarboxylicacid,2-proply,diethylester | C12H18N2O4
| | |
| 31 | 1855952-76-9 | 4-[3-(tert-butoxycarbonyl)-1H-pyrazol-1-yl]butanoic acid | 4-[3-(tert-butoxycarbonyl)-1H-pyrazol-1-yl]butanoic acid | C12H18N2O4
| | |
| 32 | 52555-22-3 | 4-Nitro-1-cyclohexyl-3-ethoxy-1,5-dihydro-2H-pyrrol-2-one | 4-Nitro-1-cyclohexyl-3-ethoxy-1,5-dihydro-2H-pyrrol-2-one | C12H18N2O4
| | |
| 33 | 790725-81-4 | (8-ethyl-2,4-dioxo-1,3-diazaspiro[4.5]dec-3-yl)acetic acid | (8-ethyl-2,4-dioxo-1,3-diazaspiro[4.5]dec-3-yl)acetic acid | C12H18N2O4
| | |
| 34 | 63133-73-3 | N-[3-[(2,3-dihydroxypropyl)amino]-4-methoxyphenyl]acetamide | N-[3-[(2,3-dihydroxypropyl)amino]-4-methoxyphenyl]acetamide | C12H18N2O4
| | |
| 35 | 1138444-22-0 | ((5-甲氧基-4-氧代-1,4-二氢吡啶-3-基)甲基)氨基甲酸叔丁酯 | tert-Butyl (4-hydroxy-5-methoxypyridin-3-yl)-methylcarbamate | C12H18N2O4
| | |
| 36 | 903570-20-7 | Ethyl 4-((tert-butoxycarbonyl)amino)-1H-pyrrole-2-carboxylate | Ethyl 4-((tert-butoxycarbonyl)amino)-1H-pyrrole-2-carboxylate | C12H18N2O4
| | |
| 37 | 28860-96-0 | DL-3-(3,4-二甲氧基苯基)-2-甲基-2-肼丙酸 | DL-3-(3,4-DiMethoxyphenyl)-2-Methyl-2-hydrazine propionic acid | C12H18N2O4
| 医药原料;有机中间体 | |
| 38 | 1803595-41-6 | tert-butyl N-[2-(5-formyl-1,2-oxazol-3-yl)propan-2-yl]carbamate | tert-butyl N-[2-(5-formyl-1,2-oxazol-3-yl)propan-2-yl]carbamate | C12H18N2O4
| | |
| 39 | 85508-33-4 | 1-(2-甲氧基苯基)哌嗪碳酸盐 | carbonic acid, compound with 1-(2-methoxyphenyl)piperazine (1:1) | C12H18N2O4
| | |
| 40 | 1379870-15-1 | 2-{[(tert-butoxy)carbonyl]amino}-3-(1H-pyrrol-2-yl)propanoic acid | 2-{[(tert-butoxy)carbonyl]amino}-3-(1H-pyrrol-2-yl)propanoic acid | C12H18N2O4
| | |
| 41 | 1856071-00-5 | 3-[3-(tert-butoxycarbonyl)-1H-pyrazol-1-yl]-2-methylpropanoic acid | 3-[3-(tert-butoxycarbonyl)-1H-pyrazol-1-yl]-2-methylpropanoic acid | C12H18N2O4
| | |
| 42 | 4815-44-5 | 1-Amino-2,5-dimethyl-1H-pyrrole-3,4-dicarboxylic acid diethyl ester | 1-Amino-2,5-dimethyl-1H-pyrrole-3,4-dicarboxylic acid diethyl ester | C12H18N2O4
| | |
| 43 | 1856046-88-2 | 1-(3-tert-butoxy-1-methyl-3-oxopropyl)-1H-pyrazole-4-carboxylic acid | 1-(3-tert-butoxy-1-methyl-3-oxopropyl)-1H-pyrazole-4-carboxylic acid | C12H18N2O4
| | |
| 44 | 39215-52-6 | ethyl 2,3-dihydro-5-methyl-.epsilon.-2-dioxo-1H-imidazole-4-hexanoate | ethyl 2,3-dihydro-5-methyl-.epsilon.-2-dioxo-1H-imidazole-4-hexanoate | C12H18N2O4
| | |
| 45 | 68012-07-7 | POLY(5-ETHYL-5-METHYL-1,3-BIS(OXIRANYLMETHYL) 2,4-IMIDAZOLIDINEDIONE)) | POLY(5-ETHYL-5-METHYL-1,3-BIS(OXIRANYLMETHYL) 2,4-IMIDAZOLIDINEDIONE)) | C12H18N2O4
| | |
| 46 | 1856070-91-1 | 1-(2-tert-butoxy-1,1-dimethyl-2-oxoethyl)-1H-pyrazole-3-carboxylic acid | 1-(2-tert-butoxy-1,1-dimethyl-2-oxoethyl)-1H-pyrazole-3-carboxylic acid | C12H18N2O4
| | |
| 47 | | 1,2,3,3',4,4',5,5',6,6'-Decahydro[2,3'-bipyridine]-6,6'-dicarboxylic acid | 1,2,3,3',4,4',5,5',6,6'-Decahydro[2,3'-bipyridine]-6,6'-dicarboxylic acid | C12H18N2O4
| | |
| 48 | 2193065-23-3 | 1-{[(tert-butoxy)carbonyl]amino}-2,5-dimethyl-1H-pyrrole-3-carboxylic acid | 1-{[(tert-butoxy)carbonyl]amino}-2,5-dimethyl-1H-pyrrole-3-carboxylic acid | C12H18N2O4
| | |
| 49 | 71734-90-2 | 2-(hydroxymethyl)-5-(4,5,6,7-tetrahydrobenzoimidazol-1-yl)oxolane-3,4- diol | 2-(hydroxymethyl)-5-(4,5,6,7-tetrahydrobenzoimidazol-1-yl)oxolane-3,4- diol | C12H18N2O4
| | |
| 50 | 57397-01-0 | 1,3-Dimethyl-5-isopropyl-5-(oxiranylmethyl)-2,4,6(1H,3H,5H)-pyrimidinetrione | 1,3-Dimethyl-5-isopropyl-5-(oxiranylmethyl)-2,4,6(1H,3H,5H)-pyrimidinetrione | C12H18N2O4
| | |
| 51 | 1131041-38-7 | 1-[3-(BOC-氨基)丙基]-1H-吡咯-2,5-二酮 | [3-(2,5-dioxo-2,5-dihydro-pyrrol-1-y1)-propyl]-carbaMic acid tert-butyl ester | C12H18N2O4
| | |
| 52 | | 4-[[(5-(Hydroxymethyl)-2-methyl-3-hydroxypyridin-4-yl)methyl]amino]butyric acid | 4-[[(5-(Hydroxymethyl)-2-methyl-3-hydroxypyridin-4-yl)methyl]amino]butyric acid | C12H18N2O4
| | |
| 53 | 1105662-95-0 | 6,8-二氧代-2,5-二氮杂螺[3.5]壬烷-2-羧酸叔丁酯 | 2,5-Diazaspiro[3.5]nonane-2-carboxylic acid, 6,8-dioxo-, 1,1-dimethylethyl ester | C12H18N2O4
| | |
| 54 | 1975117-77-1 | methyl 1-methyl-3-[(tetrahydrofuran-2-ylmethoxy)methyl]-1H-pyrazole-4-carboxylate | methyl 1-methyl-3-[(tetrahydrofuran-2-ylmethoxy)methyl]-1H-pyrazole-4-carboxylate | C12H18N2O4
| | |
| 55 | 1251014-58-0 | Tert-Butyl 3-(Hydroxymethyl)-6,7-Dihydroisoxazolo[4,5-C]Pyridine-5(4H)-Carboxylate | Tert-Butyl 3-(Hydroxymethyl)-6,7-Dihydroisoxazolo[4,5-C]Pyridine-5(4H)-Carboxylate | C12H18N2O4
| | |
| 56 | 547762-37-8 | 1H-Pyrrole-2-carboxylic acid, 5-[[(1,1-dimethylethoxy)carbonyl]amino]-, ethyl ester | 1H-Pyrrole-2-carboxylic acid, 5-[[(1,1-dimethylethoxy)carbonyl]amino]-, ethyl ester | C12H18N2O4
| 杂环 | 杂环 |
| 57 | 706804-29-7 | Morpholine, 4-[[3-methyl-4-(1-methylethyl)-5-oxo-2(5H)-isoxazolyl]carbonyl]- (9CI) | Morpholine, 4-[[3-methyl-4-(1-methylethyl)-5-oxo-2(5H)-isoxazolyl]carbonyl]- (9CI) | C12H18N2O4
| | |
| 58 | 27296-03-3 | | 4-Pyridinecarboxylic acid, 3,5-diacetyl-1,4-dihydro-2,6-dimethyl-, ammonium salt (1:1) | C12H18N2O4
| | |
| 59 | 487048-28-2 | 顺式-N-BOC-4-氰基-L-脯氨酸甲酯 | 1,2-Pyrrolidinedicarboxylicacid, 4-cyano-, 1-(1,1-dimethylethyl) 2-methyl ester, (2S,4S)- | C12H18N2O4
| 中间体;医药中间体 | |
| 60 | 84281-87-8 | Hexanedioic acid, compd. with diazotized m-phenylenediamine coupled with m-phenylenediamine | Hexanedioic acid, compd. with diazotized m-phenylenediamine coupled with m-phenylenediamine | C12H18N2O4
| | |
| 61 | 126092-96-4 | 4-((叔丁氧基羰基)氨基)-1-甲基-1H-吡咯-2-羧酸甲酯 | 1H-Pyrrole-2-carboxylic acid, 4-[[(1,1-diMethylethoxy)carbonyl]aMino]-1-Methyl-, Methyl ester | C12H18N2O4
| 氨基酸类 | |
| 62 | 2751983-56-7 | 1,2-Pyrrolidinedicarboxylic acid, 5-cyano-, 1-(1,1-dimethylethyl) 2-methyl ester, (2R,5S)-rel- | 1,2-Pyrrolidinedicarboxylic acid, 5-cyano-, 1-(1,1-dimethylethyl) 2-methyl ester, (2R,5S)-rel- | C12H18N2O4
| | |
| 63 | 29013-35-2 | 2-丙烯酸乙酯与N-羟甲基-2-丙烯酰胺和2-丙烯腈的聚合物 | 2-Propenoic acid, ethyl ester, polymer with N-(hydroxymethyl)-2-propenamide and 2-propenenitrile | C12H18N2O4
| | |
| 64 | 495415-34-4 | 1-BOC-4-氰基呱啶-4-甲酸 | N-Boc-4-cyanopiperidine-4-carboxylic acid/1-(tert-butoxycarbonyl)-4-cyanopiperidine-4-carboxylic acid | C12H18N2O4
| | |