| 1 | 557-11-9 | 烯丙基脲 | Allylurea | C4H8N2O
| 脲;有机化学;有机中间体;有机化工原料 | |
| 2 | 16568-02-8 | gyromitrin | gyromitrin | C4H8N2O
| | |
| 3 | 5625-67-2 | 2-哌嗪酮 | Piperazin-2-one | C4H8N2O
| 哌嗪;合成;硫杂环;医药中间体 | |
| 4 | | 2-PIPERAZINE-ONE | 2-PIPERAZINE-ONE | C4H8N2O
| | |
| 5 | 25055-82-7 | 2-(3-甲基-3H-二氮杂-3-基)乙-1-醇 | 3,3-Azo-1-butanol | C4H8N2O
| | |
| 6 | 15846-25-0 | (Z)-3-氨基丁-2-烯酰胺 | 3-aminocrotonamide | C4H8N2O
| 杂质;标准品/对照品/化学试剂/实验 | |
| 7 | 1219803-71-0 | 2-Oxopiperazine--d6 | 2-Oxopiperazine--d6 | C4H8N2O
| | |
| 8 | 28118-54-9 | 2-甲氧基咪唑啉 | 2-Methoxyimidazoline | C4H8N2O
| | |
| 9 | 1852-17-1 | 四氢嘧啶-2-酮 | N,N'-trimethyleneurea | C4H8N2O
| 脲;有机化工原料 | |
| 10 | 130973-78-3 | 氮杂丁烷-2-羧酸酰胺 | Azetidine-2-Carboxamide | C4H8N2O
| 有机原料;氨基化合物 | |
| 11 | 2483-65-0 | 3-氨基-吡咯-2-酮 | 3-amino-pyrrolidin-2-one | C4H8N2O
| 有机杂环类 | |
| 12 | 10234-76-1 | 5-甲基吡唑烷-3-酮 | 5-methyl-3-Pyrazolidinone | C4H8N2O
| | |
| 13 | 694-32-6 | 1-甲基-2-咪唑啉酮 | 1-methylimidazolidin-2-one | C4H8N2O
| 咪唑;合成材料中间体 | |
| 14 | 4128-00-1 | (3S)-3-氨基-2-吡咯烷酮 | (S)-3-AMINO-2-PYRROLIDINONE | C4H8N2O
| | |
| 15 | 760911-28-2 | 2-Pyrrolidinol,5-imino-(9CI) | 2-Pyrrolidinol,5-imino-(9CI) | C4H8N2O
| | |
| 16 | 88016-17-5 | 4-氨基吡咯烷-2-酮 | 2-Pyrrolidinone,4-amino-(9CI) | C4H8N2O
| | |
| 17 | | 3-Methyl-1-aminoazetidin-2-one | 3-Methyl-1-aminoazetidin-2-one | C4H8N2O
| | |
| 18 | 50712-78-2 | Azetidine-2-carboxylicacidaMide | Azetidine-2-carboxylicacidaMide | C4H8N2O
| | |
| 19 | 6952-93-8 | 环丙甲酰肼 | Cyclopropanecarboxylic hydrazide | C4H8N2O
| 生化试剂 | |
| 20 | 3619-19-0 | 2-Butenoic acid, (2E)-, hydrazide | 2-Butenoic acid, (2E)-, hydrazide | C4H8N2O
| | |
| 21 | 121010-86-4 | (R)-3-氨基-2-吡咯烷酮 | 2-Pyrrolidinone,3-amino-,(R)-(9CI) | C4H8N2O
| | |
| 22 | 160806-40-6 | (4S)-4-氨基吡咯烷-2-酮 | 2-Pyrrolidinone,4-amino-,(4S)-(9CI) | C4H8N2O
| | |
| 23 | 130065-25-7 | 2-Azetidinone,1-amino-3-methyl-(9CI) | 2-Azetidinone,1-amino-3-methyl-(9CI) | C4H8N2O
| | |
| 24 | 51285-13-3 | N-羟基环丙甲脒 | N'-Hydroxycyclopropanecarboximidamide | C4H8N2O
| | |
| 25 | 137360-55-5 | 1-氨基环丙烷甲酰胺 | Cyclopropanecarboxamide, 1-amino- (9CI) | C4H8N2O
| | |
| 26 | 68210-17-3 | 2-Oxazolamine,4,5-dihydro-4-methyl-(9CI) | 2-Oxazolamine,4,5-dihydro-4-methyl-(9CI) | C4H8N2O
| | |
| 27 | 1292324-66-3 | (4R)-4-氨基-2-吡咯烷酮 | (R)-4-aMinopyrrolidin-2-one hydrochloride | C4H8N2O
| | |
| 28 | 3880-50-0 | 1-甲酰基-2-亚异丙基肼 | 1-Methylethylidene hydrazine carboxaldehyde | C4H8N2O
| | |
| 29 | 87791-62-6 | 2-Azetidinone,3-amino-4-methyl-,(3S,4S)-(9CI) | 2-Azetidinone,3-amino-4-methyl-,(3S,4S)-(9CI) | C4H8N2O
| | |
| 30 | 229343-01-5 | 2-Oxazolamine,4,5-dihydro-5-methyl-,(5R)-(9CI) | 2-Oxazolamine,4,5-dihydro-5-methyl-,(5R)-(9CI) | C4H8N2O
| | |
| 31 | 110819-32-4 | 5-Isoxazolamine,4,5-dihydro-4-methyl-,cis-(9CI) | 5-Isoxazolamine,4,5-dihydro-4-methyl-,cis-(9CI) | C4H8N2O
| | |
| 32 | 110819-36-8 | 5-Isoxazolamine,4,5-dihydro-4-methyl-,trans-(9CI) | 5-Isoxazolamine,4,5-dihydro-4-methyl-,trans-(9CI) | C4H8N2O
| | |
| 33 | | N-NITROSOPYRROLIDINE SOLUTION 100UG/ML IN METHANOL 1ML | N-NITROSOPYRROLIDINE SOLUTION 100UG/ML IN METHANOL 1ML | C4H8N2O
| | |
| 34 | | N-NITROSOPYRROLIDINE SOLUTION 100UG/ML IN METHANOL 5X1ML | N-NITROSOPYRROLIDINE SOLUTION 100UG/ML IN METHANOL 5X1ML | C4H8N2O
| | |