| 1 | 134017-78-0 | U89232 | U89232 | C19H25N5O2
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| 2 | 78876-16-1 | OPC 3930 | OPC 3930 | C19H25N5O2
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| 3 | 2411407-64-0 | Ritlecitinib Impurity 35 | Ritlecitinib Impurity 35 | C19H25N5O2
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| 4 | | 3,5-Bis(4-methylpiperazin-1-yl)isoquinoline-7,8-dione | 3,5-Bis(4-methylpiperazin-1-yl)isoquinoline-7,8-dione | C19H25N5O2
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| 5 | 133563-07-2 | 7-(2-(1-methyl-2-phenyl-ethylamino)propyl)theophylline | 7-(2-(1-methyl-2-phenyl-ethylamino)propyl)theophylline | C19H25N5O2
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| 6 | | 1,3-Dimethyl-7-[2-[methyl(1-methyl-2-phenylethyl)amino]ethyl]xanthine | 1,3-Dimethyl-7-[2-[methyl(1-methyl-2-phenylethyl)amino]ethyl]xanthine | C19H25N5O2
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| 7 | 127375-07-9 | 3,4-dimethyl-N-(4-morpholin-4-yl-6-propyl-1,3,5-triazin-2-yl)benzamide | 3,4-dimethyl-N-(4-morpholin-4-yl-6-propyl-1,3,5-triazin-2-yl)benzamide | C19H25N5O2
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| 8 | | 7-BENZYL-8-(ISOPENTYLAMINO)-1,3-DIMETHYL-3,7-DIHYDRO-1H-PURINE-2,6-DIONE | 7-BENZYL-8-(ISOPENTYLAMINO)-1,3-DIMETHYL-3,7-DIHYDRO-1H-PURINE-2,6-DIONE | C19H25N5O2
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| 9 | | 9-ISOBUTYL-8-(5-METHOXYFURAN-2-YL)-2-METHYL-6-(PYRROLIDIN-1-YL)-9H-PURINE | 9-ISOBUTYL-8-(5-METHOXYFURAN-2-YL)-2-METHYL-6-(PYRROLIDIN-1-YL)-9H-PURINE | C19H25N5O2
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| 10 | 2407632-38-4 | 沙格列汀杂质8 | L-Proline, 4-[4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)-1-piperazinyl]-, (4S)- | C19H25N5O2
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| 11 | | 8-(diethylamino)-3-methyl-7-(3-phenylpropyl)-3,7-dihydro-1H-purine-2,6-dione | 8-(diethylamino)-3-methyl-7-(3-phenylpropyl)-3,7-dihydro-1H-purine-2,6-dione | C19H25N5O2
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| 12 | | 8-(diethylamino)-1,3-dimethyl-7-(2-phenylethyl)-3,7-dihydro-1H-purine-2,6-dione | 8-(diethylamino)-1,3-dimethyl-7-(2-phenylethyl)-3,7-dihydro-1H-purine-2,6-dione | C19H25N5O2
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| 13 | | 2-Amino-4-methoxy-N-[(1-phenethyl-2-pyrrolidinyl)methyl]-5-pyrimidinecarboxamide | 2-Amino-4-methoxy-N-[(1-phenethyl-2-pyrrolidinyl)methyl]-5-pyrimidinecarboxamide | C19H25N5O2
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| 14 | | 1,3-Dimethyl-7-[(R)-2-[[(S)-1-methyl-2-phenylethyl]amino]propyl]-7H-purine-2,6(1H,3H)-dione | 1,3-Dimethyl-7-[(R)-2-[[(S)-1-methyl-2-phenylethyl]amino]propyl]-7H-purine-2,6(1H,3H)-dione | C19H25N5O2
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| 15 | 197801-88-0 | N-(4-Methoxy-2-methylphenyl)-1-[1-(methoxymethyl)propyl]-6-methyl-1H-1,2,3-triazolo[4,5-c]pyridin-4-amine | N-(4-Methoxy-2-methylphenyl)-1-[1-(methoxymethyl)propyl]-6-methyl-1H-1,2,3-triazolo[4,5-c]pyridin-4-amine | C19H25N5O2
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