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    首页 分子通 按分子结构分类 有机化合物 有机杂环化合物 三唑并嘧啶类

    三唑并嘧啶类

    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-[[3-[(2-Amino-3,4-dioxocyclobuten-1-yl)amino]phenyl]methylcarbamoyl]-2-carbamoyl-[1,2,4]triazolo[1,5-a]pyrimidine-7-carboxylic acid —— C19H14N8O6
    5-[[3-[(2-Amino-3,4-dioxocyclobuten-1-yl)amino]phenyl]methylcarbamoyl]-2-carbamoyl-[1,2,4]triazolo[1,5-a]pyrimidine-7-carboxylic acid
    —— 6-Cyclopentyl-3-[(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methyl]-6-[2-(1-ethylpyrazol-4-yl)ethyl]oxane-2,4-dione —— C25H32N6O3
    6-Cyclopentyl-3-[(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methyl]-6-[2-(1-ethylpyrazol-4-yl)ethyl]oxane-2,4-dione
    —— N-(4-chlorophenyl)-2H-triazolo[4,5-d]pyrimidin-7-amine —— C10H7ClN6
    N-(4-chlorophenyl)-2H-triazolo[4,5-d]pyrimidin-7-amine
    —— 4-[[[2-Amino-7-[[3-[(2-amino-3,4-dioxocyclobuten-1-yl)amino]phenyl]methylcarbamoyl]-[1,2,4]triazolo[1,5-a]pyrimidine-5-carbonyl]amino]methyl]-2-methylbenzoic acid —— C27H23N9O6
    4-[[[2-Amino-7-[[3-[(2-amino-3,4-dioxocyclobuten-1-yl)amino]phenyl]methylcarbamoyl]-[1,2,4]triazolo[1,5-a]pyrimidine-5-carbonyl]amino]methyl]-2-methylbenzoic acid
    —— 4-[(1R)-1-[[5-[[3-[(2-amino-3,4-dioxocyclobuten-1-yl)amino]phenyl]methylcarbamoyl]-3-oxo-2H-[1,2,4]triazolo[4,3-a]pyrimidine-7-carbonyl]amino]ethyl]benzoic acid —— C27H22N8O7
    4-[(1R)-1-[[5-[[3-[(2-amino-3,4-dioxocyclobuten-1-yl)amino]phenyl]methylcarbamoyl]-3-oxo-2H-[1,2,4]triazolo[4,3-a]pyrimidine-7-carbonyl]amino]ethyl]benzoic acid
    —— 5-Ethyl-6-octyl-6,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine —— C15H27N5
    5-Ethyl-6-octyl-6,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine
    —— 2-[4-[2-[5-[1-(6-Chloro-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)cyclobutyl]-2-cyclopentyl-4,6-dioxooxan-2-yl]ethyl]-2-fluorophenyl]-2-methylpropanenitrile —— C31H33ClFN5O3
    2-[4-[2-[5-[1-(6-Chloro-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)cyclobutyl]-2-cyclopentyl-4,6-dioxooxan-2-yl]ethyl]-2-fluorophenyl]-2-methylpropanenitrile
    —— 5-amino-2-(2-furyl)[1,2,4]triazolo[1,5-c]pyrimidine-7-carboxylic acid {N-methyl-N-[2-(3-pyridyl)ethyl]}amide —— C18H17N7O2
    5-amino-2-(2-furyl)[1,2,4]triazolo[1,5-c]pyrimidine-7-carboxylic acid {N-methyl-N-[2-(3-pyridyl)ethyl]}amide
    —— 6-Cyclopentyl-3-[(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methyl]-6-[2-(2-propan-2-ylpyridin-4-yl)ethyl]oxane-2,4-dione —— C28H35N5O3
    6-Cyclopentyl-3-[(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methyl]-6-[2-(2-propan-2-ylpyridin-4-yl)ethyl]oxane-2,4-dione
    —— 6-Cyclopentyl-3-[(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methyl]-6-[2-[5-ethyl-4-hydroxy-2-(2-methylpropoxy)phenyl]ethyl]oxane-2,4-dione —— C32H42N4O5
    6-Cyclopentyl-3-[(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methyl]-6-[2-[5-ethyl-4-hydroxy-2-(2-methylpropoxy)phenyl]ethyl]oxane-2,4-dione
    —— (E)-2-methyl-1-[2-[(5-methyl-2-methylsulfanyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)oxymethyl]morpholin-4-yl]pent-2-en-1-one —— C18H25N5O3S
    (E)-2-methyl-1-[2-[(5-methyl-2-methylsulfanyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)oxymethyl]morpholin-4-yl]pent-2-en-1-one
    —— 4-[[[5-[[3-[[(2-amino-3,4-dioxocyclobuten-1-yl)amino]methyl]-4-fluorophenyl]methylcarbamoyl]-2-oxo-1H-[1,2,4]triazolo[1,5-a]pyrimidine-7-carbonyl]amino]methyl]-2-methylbenzoic acid —— C28H23FN8O7
    4-[[[5-[[3-[[(2-amino-3,4-dioxocyclobuten-1-yl)amino]methyl]-4-fluorophenyl]methylcarbamoyl]-2-oxo-1H-[1,2,4]triazolo[1,5-a]pyrimidine-7-carbonyl]amino]methyl]-2-methylbenzoic acid
    —— Diethyl 7-(4-cyanophenyl)-5-methyl-6,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-2,6-dicarboxylate —— C19H19N5O4
    Diethyl 7-(4-cyanophenyl)-5-methyl-6,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-2,6-dicarboxylate
    —— N,N-dimethyl-N'-(7-pyridin-4-yl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methanimidamide —— C13H13N7
    N,N-dimethyl-N'-(7-pyridin-4-yl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methanimidamide
    —— N-[[methyl(piperidin-1-yl)amino]methyl]-2-(7-oxo-3a,6-dihydro-1H-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)acetamide —— C14H23N7O2
    N-[[methyl(piperidin-1-yl)amino]methyl]-2-(7-oxo-3a,6-dihydro-1H-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)acetamide
    —— (6S)-6-cyclopentyl-6-[2-(2,6-diethylpyridin-4-yl)ethyl]-3-[(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methyl]oxane-2,4-dione —— C29H37N5O3
    (6S)-6-cyclopentyl-6-[2-(2,6-diethylpyridin-4-yl)ethyl]-3-[(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methyl]oxane-2,4-dione
    —— 4-[[[5-[[3-[[(2-amino-3,4-dioxocyclobuten-1-yl)amino]methyl]-4-fluorophenyl]methylcarbamoyl]-3-oxo-2H-[1,2,4]triazolo[4,3-a]pyrimidine-7-carbonyl]amino]methyl]benzoic acid —— C27H21FN8O7
    4-[[[5-[[3-[[(2-amino-3,4-dioxocyclobuten-1-yl)amino]methyl]-4-fluorophenyl]methylcarbamoyl]-3-oxo-2H-[1,2,4]triazolo[4,3-a]pyrimidine-7-carbonyl]amino]methyl]benzoic acid
    —— (2R,3S,5S)-5-(7-aminotriazolo[4,5-d]pyrimidin-1-yl)-2-(hydroxymethyl)oxolan-3-ol —— C9H12N6O3
    (2R,3S,5S)-5-(7-aminotriazolo[4,5-d]pyrimidin-1-yl)-2-(hydroxymethyl)oxolan-3-ol
    —— 1-[2-[(5-methyl-2-methylsulfanyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)oxymethyl]morpholin-4-yl]-2-[(Z)-1-thiophen-2-ylethylideneamino]oxyethanone —— C20H24N6O4S2
    1-[2-[(5-methyl-2-methylsulfanyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)oxymethyl]morpholin-4-yl]-2-[(Z)-1-thiophen-2-ylethylideneamino]oxyethanone
    —— (E)-1-(4-methoxyphenyl)-N-(10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaen-4-ylmethoxy)ethanimine —— C21H21N5O2S
    (E)-1-(4-methoxyphenyl)-N-(10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaen-4-ylmethoxy)ethanimine
    —— (1S)-1-[[5-[[3-[(2-amino-3,4-dioxocyclobuten-1-yl)amino]phenyl]methylcarbamoyl]-3-oxo-2H-[1,2,4]triazolo[4,3-a]pyrimidine-7-carbonyl]amino]-4-methyl-2,3-dihydro-1H-indene-5-carboxylic acid —— C29H24N8O7
    (1S)-1-[[5-[[3-[(2-amino-3,4-dioxocyclobuten-1-yl)amino]phenyl]methylcarbamoyl]-3-oxo-2H-[1,2,4]triazolo[4,3-a]pyrimidine-7-carbonyl]amino]-4-methyl-2,3-dihydro-1H-indene-5-carboxylic acid
    —— N-(5-chlorofuran-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine —— C9H6ClN5O
    N-(5-chlorofuran-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine
    —— 5-N-[(4-fluoro-3-methylphenyl)methyl]-7-N-[(5-hydroxy-2-oxo-1,3-dihydroimidazol-4-yl)methyl]-[1,2,4]triazolo[1,5-a]pyrimidine-5,7-dicarboxamide —— C19H17FN8O4
    5-N-[(4-fluoro-3-methylphenyl)methyl]-7-N-[(5-hydroxy-2-oxo-1,3-dihydroimidazol-4-yl)methyl]-[1,2,4]triazolo[1,5-a]pyrimidine-5,7-dicarboxamide
    —— (1S)-1-[[7-[[3-[[(2-amino-3,4-dioxocyclobuten-1-yl)amino]methyl]phenyl]methylcarbamoyl]-2-oxo-1H-[1,2,4]triazolo[1,5-a]pyrimidine-5-carbonyl]amino]-4-methyl-2,3-dihydro-1H-indene-5-carboxylic acid —— C30H26N8O7
    (1S)-1-[[7-[[3-[[(2-amino-3,4-dioxocyclobuten-1-yl)amino]methyl]phenyl]methylcarbamoyl]-2-oxo-1H-[1,2,4]triazolo[1,5-a]pyrimidine-5-carbonyl]amino]-4-methyl-2,3-dihydro-1H-indene-5-carboxylic acid
    —— 7-N-[[3-[(2-amino-3,4-dioxocyclobuten-1-yl)amino]phenyl]methyl]-3-sulfanylidene-5-N-[(1S)-5-(2H-tetrazol-5-yl)-2,3-dihydro-1H-inden-1-yl]-2H-[1,2,4]triazolo[4,3-a]pyrimidine-5,7-dicarboxamide —— C28H22N12O4S
    7-N-[[3-[(2-amino-3,4-dioxocyclobuten-1-yl)amino]phenyl]methyl]-3-sulfanylidene-5-N-[(1S)-5-(2H-tetrazol-5-yl)-2,3-dihydro-1H-inden-1-yl]-2H-[1,2,4]triazolo[4,3-a]pyrimidine-5,7-dicarboxamide
    —— 7-[(E)-2-(4-fluorophenyl)ethenyl]-2-methylsulfanyl-[1,2,4]triazolo[1,5-a]pyrimidine —— C14H11FN4S
    7-[(E)-2-(4-fluorophenyl)ethenyl]-2-methylsulfanyl-[1,2,4]triazolo[1,5-a]pyrimidine
    —— 5-methyl-2-(methylsulfanyl)-6-[(E)-3-phenyl-2-propenyl][1,2,4]triazolo[1,5-a]pyrimidin-7-ol —— C16H16N4OS
    5-methyl-2-(methylsulfanyl)-6-[(E)-3-phenyl-2-propenyl][1,2,4]triazolo[1,5-a]pyrimidin-7-ol
    —— (E)-3-(2,4-dimethoxypyrimidin-5-yl)-1-[2-[(5-methyl-2-methylsulfanyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)oxymethyl]morpholin-4-yl]prop-2-en-1-one —— C21H25N7O5S
    (E)-3-(2,4-dimethoxypyrimidin-5-yl)-1-[2-[(5-methyl-2-methylsulfanyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)oxymethyl]morpholin-4-yl]prop-2-en-1-one
    —— 7-[(E)-2-(4-fluorophenyl)ethenyl]-2-pyrrol-1-yl-[1,2,4]triazolo[1,5-a]pyrimidine —— C17H12FN5
    7-[(E)-2-(4-fluorophenyl)ethenyl]-2-pyrrol-1-yl-[1,2,4]triazolo[1,5-a]pyrimidine
    —— 4-[4-(3-hydroxy-3-methylbutyl)cyclohexyl]-6-[[5-[2-(5-hydroxy-5-propan-2-yl-2H-1,2,4-oxadiazol-3-yl)phenyl]thiophen-2-yl]methyl]-7-propyl-[1,2,4]triazolo[1,5-a]pyrimidin-5-one —— C35H46N6O4S
    4-[4-(3-hydroxy-3-methylbutyl)cyclohexyl]-6-[[5-[2-(5-hydroxy-5-propan-2-yl-2H-1,2,4-oxadiazol-3-yl)phenyl]thiophen-2-yl]methyl]-7-propyl-[1,2,4]triazolo[1,5-a]pyrimidin-5-one
    —— 4-[(1S)-1-[[7-[[3-[(2-amino-3,4-dioxocyclobuten-1-yl)amino]phenyl]methylcarbamoyl]-3-carbamoyltriazolo[1,5-a]pyrimidine-5-carbonyl]amino]ethyl]benzoic acid —— C28H23N9O7
    4-[(1S)-1-[[7-[[3-[(2-amino-3,4-dioxocyclobuten-1-yl)amino]phenyl]methylcarbamoyl]-3-carbamoyltriazolo[1,5-a]pyrimidine-5-carbonyl]amino]ethyl]benzoic acid
    —— 2-Amino-5-[[3-[[(2-amino-3,4-dioxocyclobuten-1-yl)amino]methyl]phenyl]methylcarbamoyl]-[1,2,4]triazolo[1,5-a]pyrimidine-7-carboxylic acid —— C19H16N8O5
    2-Amino-5-[[3-[[(2-amino-3,4-dioxocyclobuten-1-yl)amino]methyl]phenyl]methylcarbamoyl]-[1,2,4]triazolo[1,5-a]pyrimidine-7-carboxylic acid
    —— 4-[[[7-[(2-Methyl-1,3-benzoxazol-5-yl)methylcarbamoyl]-[1,2,4]triazolo[1,5-a]pyrimidine-5-carbonyl]amino]methyl]benzoic acid —— C24H19N7O5
    4-[[[7-[(2-Methyl-1,3-benzoxazol-5-yl)methylcarbamoyl]-[1,2,4]triazolo[1,5-a]pyrimidine-5-carbonyl]amino]methyl]benzoic acid
    —— 4,6-dimethyl-11-[(7-methyl-2H-triazolo[4,5-d]pyrimidin-5-yl)methyl]-8-oxa-3,5,10-triazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6,10,12-hexaene —— C17H14N8O
    4,6-dimethyl-11-[(7-methyl-2H-triazolo[4,5-d]pyrimidin-5-yl)methyl]-8-oxa-3,5,10-triazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6,10,12-hexaene
    —— 2-[(5-methyl-2-methylsulfanyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)oxymethyl]-4-[(E)-2-phenylethenyl]sulfonylmorpholine —— C20H23N5O4S2
    2-[(5-methyl-2-methylsulfanyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)oxymethyl]-4-[(E)-2-phenylethenyl]sulfonylmorpholine
    —— 6-Cyclopentyl-3-[(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methyl]-6-[2-[4-hydroxy-3-(2,2,2-trifluoroethyl)phenyl]ethyl]oxane-2,4-dione —— C28H31F3N4O4
    6-Cyclopentyl-3-[(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methyl]-6-[2-[4-hydroxy-3-(2,2,2-trifluoroethyl)phenyl]ethyl]oxane-2,4-dione
    —— (E)-1-(4-methoxyphenyl)-N-[(13-methyl-10-thia-3,5,6,8,13-pentazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaen-4-yl)methoxy]methanimine —— C20H20N6O2S
    (E)-1-(4-methoxyphenyl)-N-[(13-methyl-10-thia-3,5,6,8,13-pentazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaen-4-yl)methoxy]methanimine
    —— 7-(5-Ethyl-6-octylpyridin-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidine —— C20H27N5
    7-(5-Ethyl-6-octylpyridin-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidine
    —— N-[3-[(3aR,4R,6R,6aR)-6-(2-diethoxyphosphorylethenyl)-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl]triazolo[4,5-d]pyrimidin-7-yl]benzamide —— C24H29N6O7P
    N-[3-[(3aR,4R,6R,6aR)-6-(2-diethoxyphosphorylethenyl)-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl]triazolo[4,5-d]pyrimidin-7-yl]benzamide
    —— 2-[Imidazol-1-yl-(2-methyl-8-propyl-[1,2,4]triazolo[1,5-c]pyrimidin-7-yl)methyl]-1,3-thiazole —— C16H17N7S
    2-[Imidazol-1-yl-(2-methyl-8-propyl-[1,2,4]triazolo[1,5-c]pyrimidin-7-yl)methyl]-1,3-thiazole
    —— (Z)-N-[(10-benzyl-3,5,6,8,10,11-hexazatricyclo[7.3.0.02,6]dodeca-1(9),2,4,7,11-pentaen-4-yl)methoxy]-1-(4-methylphenyl)ethanimine —— C23H21N7O
    (Z)-N-[(10-benzyl-3,5,6,8,10,11-hexazatricyclo[7.3.0.02,6]dodeca-1(9),2,4,7,11-pentaen-4-yl)methoxy]-1-(4-methylphenyl)ethanimine
    —— 2-Amino-7-(4-cyanophenyl)-5-methyl-6,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carbonitrile —— C14H11N7
    2-Amino-7-(4-cyanophenyl)-5-methyl-6,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carbonitrile
    —— 7-N-[(4-fluoro-3-methylphenyl)methyl]-5-N-[(1S)-5-(5-oxo-4H-1,2,4-oxadiazol-3-yl)-2,3-dihydro-1H-inden-1-yl]-[1,2,4]triazolo[1,5-a]pyrimidine-2,5,7-tricarboxamide —— C27H22FN9O5
    7-N-[(4-fluoro-3-methylphenyl)methyl]-5-N-[(1S)-5-(5-oxo-4H-1,2,4-oxadiazol-3-yl)-2,3-dihydro-1H-inden-1-yl]-[1,2,4]triazolo[1,5-a]pyrimidine-2,5,7-tricarboxamide
    —— 1-(cinnamylthio)-7-isopropyl-4-(m-tolyl)-6,7-dihydro-4H-pyrano[4',3':4,5]thieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidin-5(9H)-one —— C29H28N4O2S2
    1-(cinnamylthio)-7-isopropyl-4-(m-tolyl)-6,7-dihydro-4H-pyrano[4',3':4,5]thieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidin-5(9H)-one
    —— N-[(Z)-1-(4-bromophenyl)ethylideneamino]-5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxamide —— C16H15BrN6O
    N-[(Z)-1-(4-bromophenyl)ethylideneamino]-5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxamide
    —— 5-[(E)-2-(4-fluorophenyl)ethenyl]-6-nitro[1,2,4]triazolo[1,5-a]pyrimidin-7-ol —— C13H8FN5O3
    5-[(E)-2-(4-fluorophenyl)ethenyl]-6-nitro[1,2,4]triazolo[1,5-a]pyrimidin-7-ol
    —— (E)-1-(4-methoxyphenyl)-N-(9-thia-11,13,14,16-tetrazatetracyclo[8.7.0.02,8.013,17]heptadeca-1(10),2(8),11,14,16-pentaen-15-ylmethoxy)ethanimine —— C22H23N5O2S
    (E)-1-(4-methoxyphenyl)-N-(9-thia-11,13,14,16-tetrazatetracyclo[8.7.0.02,8.013,17]heptadeca-1(10),2(8),11,14,16-pentaen-15-ylmethoxy)ethanimine
    —— 4-[(1S)-1-[[2-amino-7-[(2-methyl-1,3-benzoxazol-5-yl)methylcarbamoyl]-[1,2,4]triazolo[1,5-a]pyrimidine-5-carbonyl]amino]ethyl]benzoic acid —— C25H22N8O5
    4-[(1S)-1-[[2-amino-7-[(2-methyl-1,3-benzoxazol-5-yl)methylcarbamoyl]-[1,2,4]triazolo[1,5-a]pyrimidine-5-carbonyl]amino]ethyl]benzoic acid
    —— 3-[(6-Chloro-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methyl]-6-cyclopentyl-6-[2-(5-ethyl-2-fluoro-4-hydroxyphenyl)ethyl]oxane-2,4-dione —— C26H28ClFN4O4
    3-[(6-Chloro-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methyl]-6-cyclopentyl-6-[2-(5-ethyl-2-fluoro-4-hydroxyphenyl)ethyl]oxane-2,4-dione
    —— 5,7-dimethyl-N'-{(1Z)-1-[4-(methylamino)phenyl]ethylidene}[1,2,4]triazolo[1,5-a]pyrimidine-2-carbohydrazide —— C17H19N7O
    5,7-dimethyl-N'-{(1Z)-1-[4-(methylamino)phenyl]ethylidene}[1,2,4]triazolo[1,5-a]pyrimidine-2-carbohydrazide