| 1 | | ZolpidemTitrate | ZolpidemTitrate | C19H22N4O4
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| 2 | 80186-88-5 | 2,8-dinitroimipramine | 2,8-dinitroimipramine | C19H22N4O4
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| 3 | 160434-48-0 | 伊曲茶碱杂质 | 4-DesMethyl Istradefylline | C19H22N4O4
| 杂质对照品 | |
| 4 | 77162-70-0 | 1-nitro-9-(2-dihydroxyethylaminoethylamino)acridine | 1-nitro-9-(2-dihydroxyethylaminoethylamino)acridine | C19H22N4O4
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| 5 | 130259-91-5 | N-(4-benzyl-1-piperazinyl)-5-nitro-2-methoxybenzamide | N-(4-benzyl-1-piperazinyl)-5-nitro-2-methoxybenzamide | C19H22N4O4
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| 6 | 338748-58-6 | 2-[4-(4-NITROPHENYL)PIPERAZINO]ETHYL N-PHENYLCARBAMATE | 2-[4-(4-NITROPHENYL)PIPERAZINO]ETHYL N-PHENYLCARBAMATE | C19H22N4O4
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| 7 | 882080-77-5 | N-(4-METHOXYPHENYL)-2-[4-(4-NITROPHENYL)PIPERAZINO]ACETAMIDE | N-(4-METHOXYPHENYL)-2-[4-(4-NITROPHENYL)PIPERAZINO]ACETAMIDE | C19H22N4O4
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| 8 | 17183-43-6 | 4'-Hydroxy-3'-[(4-methyl-1-piperazinyl)methyl]-4-nitrobenzanilide | 4'-Hydroxy-3'-[(4-methyl-1-piperazinyl)methyl]-4-nitrobenzanilide | C19H22N4O4
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| 9 | 155271-02-6 | 8-[(E)-2-(2,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-7H-purine-2,6-dione | 8-[(E)-2-(2,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-7H-purine-2,6-dione | C19H22N4O4
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| 10 | | 9,10-Dihydro-1-nitro-9-[[2-[bis(2-hydroxyethyl)amino]ethyl]imino]acridine | 9,10-Dihydro-1-nitro-9-[[2-[bis(2-hydroxyethyl)amino]ethyl]imino]acridine | C19H22N4O4
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| 11 | 2636798-53-1 | 2-(2,6-dioxopiperidin-3-yl)-5-(4-(methylamino)piperidin-1-yl)isoindoline-1,3-dione | 2-(2,6-dioxopiperidin-3-yl)-5-(4-(methylamino)piperidin-1-yl)isoindoline-1,3-dione | C19H22N4O4
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| 12 | 155270-98-7 | 8-[(1E)-2-(3,4-二甲氧基苯基)乙烯基]-1,3-二乙基-3,9-二氢-1H-嘌呤-2,6-二酮 | 8-[(1E)-2-(3,4-Dimethoxyphenyl)ethenyl]-1,3-diethyl-3,9-dihydro-1H-purine-2,6-dione | C19H22N4O4
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| 13 | | 3-[2-[4-(2-Methoxyphenyl)piperazin-1-yl]ethyl]furo[3,4-d]pyrimidine-2,4(1H,3H)-dione | 3-[2-[4-(2-Methoxyphenyl)piperazin-1-yl]ethyl]furo[3,4-d]pyrimidine-2,4(1H,3H)-dione | C19H22N4O4
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| 14 | 443962-41-2 | 2-{4-[2-(aminocarbonyl)carbohydrazonoyl]-2-methoxyphenoxy}-N-(3,4-dimethylphenyl)acetamide | 2-{4-[2-(aminocarbonyl)carbohydrazonoyl]-2-methoxyphenoxy}-N-(3,4-dimethylphenyl)acetamide | C19H22N4O4
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| 15 | 354554-34-0 | 6-amino-3-propyl-4-(2,3,4-trimethoxyphenyl)-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile | 6-amino-3-propyl-4-(2,3,4-trimethoxyphenyl)-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile | C19H22N4O4
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| 16 | | 6-amino-3-isopropyl-4-(3,4,5-trimethoxyphenyl)-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile | 6-amino-3-isopropyl-4-(3,4,5-trimethoxyphenyl)-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile | C19H22N4O4
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| 17 | 445265-94-1 | 6-amino-4-(3,4-diethoxyphenyl)-3-(methoxymethyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile | 6-amino-4-(3,4-diethoxyphenyl)-3-(methoxymethyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile | C19H22N4O4
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| 18 | 2379402-85-2 | 硼替佐米杂质20 | 2-Pyrazinecarboxamide, N-[(1S)-2-[(3-hydroxy-3-methyl-1-oxobutyl)amino]-2-oxo-1-(phenylmethyl)ethyl]- | C19H22N4O4
| 163-硼替佐米 | |
| 19 | 155272-04-1 | 1H-嘌呤-2,6-二酮,3,7-二氢-1,3-二乙基-8-(2-(3-羟基-4-甲氧基苯基)乙烯基)-7-甲基-,(E)- | 1H-Purine-2,6-dione, 3,7-dihydro-1,3-diethyl-8-(2-(3-hydroxy-4-methoxy phenyl)ethenyl)-7-methyl-, (E)- | C19H22N4O4
| 杂质对照品 | |
| 20 | 68379-27-1 | ethyl (6E)-4-amino-5-cyano-6-(3-cyano-3-ethoxycarbonyl-prop-2-enyliden e)-1-propyl-pyridine-3-carboxylate | ethyl (6E)-4-amino-5-cyano-6-(3-cyano-3-ethoxycarbonyl-prop-2-enyliden e)-1-propyl-pyridine-3-carboxylate | C19H22N4O4
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| 21 | 71093-01-1 | 5-[[4-[bis(2-hydroxyethyl)amino]phenyl]imino]-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxonicotinonitrile | 5-[[4-[bis(2-hydroxyethyl)amino]phenyl]imino]-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxonicotinonitrile | C19H22N4O4
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