摩熵化学
数据库官网
小程序
打开微信扫一扫
首页 分子通 化学资讯 化学百科 反应查询 关于我们
请输入关键词
历史搜索
    热门化合物HOT
    • 喹啉
    • 水杨醛
    • 二溴甲烷
    • 谷胱甘肽
    • L-乳酸
    • 苯巴比妥
    • 辣椒碱
    • 非那明
    • 百草枯
    • 联苯烯
    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
    —— N,N-bis[(2S)-2-hydroxypropyl]-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide —— C18H23N5O3S
    N,N-bis[(2S)-2-hydroxypropyl]-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide
    —— 10,10-dimethyl-2-[(4-methylpiperazin-1-yl)methyl]-10,11-dihydro-8H-pyrano[4',3':4,5]thieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine —— C18H24N6OS
    10,10-dimethyl-2-[(4-methylpiperazin-1-yl)methyl]-10,11-dihydro-8H-pyrano[4',3':4,5]thieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine
    —— N,N-bis[(2R)-2-hydroxypropyl]-14,14-dimethyl-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide —— C19H25N5O4S
    N,N-bis[(2R)-2-hydroxypropyl]-14,14-dimethyl-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide
    —— 4-methoxy-N-(5-oxo-2-propan-2-yl-4H-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)benzamide —— C16H17N5O3
    4-methoxy-N-(5-oxo-2-propan-2-yl-4H-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)benzamide
    —— N-butyl-8,9,10,11-tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine-2-carboxamide —— C16H19N5OS
    N-butyl-8,9,10,11-tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine-2-carboxamide
    —— 6-chloro-5,7-dimethyl-N-(3-nitrobenzyl)[1,2,4]triazolo[1,5-a]pyrimidin-2-amine —— C14H13ClN6O2
    6-chloro-5,7-dimethyl-N-(3-nitrobenzyl)[1,2,4]triazolo[1,5-a]pyrimidin-2-amine
    —— Diethyl-[2-[(7,14,14-trimethyl-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carbonyl)amino]ethyl]azanium —— C20H29N6O2S+
    Diethyl-[2-[(7,14,14-trimethyl-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carbonyl)amino]ethyl]azanium
    —— 2-(2-furanyl)-5-methyl-6-(phenylmethyl)-1H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one —— C17H14N4O2
    2-(2-furanyl)-5-methyl-6-(phenylmethyl)-1H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one
    —— N-(furan-2-ylmethyl)-5,10,10-trimethyl-10,11-dihydro-8H-pyrano[4',3':4,5]thieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine-2-carboxamide —— C19H19N5O3S
    N-(furan-2-ylmethyl)-5,10,10-trimethyl-10,11-dihydro-8H-pyrano[4',3':4,5]thieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine-2-carboxamide
    —— 7-hydroxy-[1,2,4]triazolo[4,3-a]pyrimidin-5(1H)-one —— C5H4N4O2
    7-hydroxy-[1,2,4]triazolo[4,3-a]pyrimidin-5(1H)-one
    —— ethyl (5Z,6S,7R)-5-propylidene-7-pyridin-4-yl-6,7-dihydro-1H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C16H19N5O2
    ethyl (5Z,6S,7R)-5-propylidene-7-pyridin-4-yl-6,7-dihydro-1H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— ethyl (7R)-5-propyl-7-pyridin-4-yl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C16H19N5O2
    ethyl (7R)-5-propyl-7-pyridin-4-yl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— 5,7-Dimethyl-2-(phenoxymethyl)[1,2,4]triazolo[1,5-a]pyrimidine —— C14H14N4O
    5,7-Dimethyl-2-(phenoxymethyl)[1,2,4]triazolo[1,5-a]pyrimidine
    —— (13R)-13-tert-butyl-N-(2-hydroxyethyl)-7-methyl-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide —— C19H25N5O2S
    (13R)-13-tert-butyl-N-(2-hydroxyethyl)-7-methyl-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide
    —— (13S)-13-tert-butyl-N-(2-hydroxyethyl)-7-methyl-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide —— C19H25N5O2S
    (13S)-13-tert-butyl-N-(2-hydroxyethyl)-7-methyl-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide
    —— N-(3-methylbutyl)-10-thia-3,5,6,8-tetrazatetracyclo[7.6.0.02,6.011,15]pentadeca-1(9),2,4,7,11(15)-pentaene-4-carboxamide —— C16H19N5OS
    N-(3-methylbutyl)-10-thia-3,5,6,8-tetrazatetracyclo[7.6.0.02,6.011,15]pentadeca-1(9),2,4,7,11(15)-pentaene-4-carboxamide
    —— (6S,7R)-7-(3-chlorophenyl)-N-(4-methoxyphenyl)-5-methylidene-6,7-dihydro-4H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C20H18ClN5O2
    (6S,7R)-7-(3-chlorophenyl)-N-(4-methoxyphenyl)-5-methylidene-6,7-dihydro-4H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (13S)-13-tert-butyl-N-[2-(2-hydroxyethoxy)ethyl]-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide —— C20H27N5O3S
    (13S)-13-tert-butyl-N-[2-(2-hydroxyethoxy)ethyl]-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide
    —— [(2R)-1-hydroxybutan-2-yl]-[(7,14,14-trimethyl-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaen-4-yl)methyl]azanium —— C18H26N5O2S+
    [(2R)-1-hydroxybutan-2-yl]-[(7,14,14-trimethyl-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaen-4-yl)methyl]azanium
    —— N-butyl-N,7-dimethyl-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide —— C18H23N5OS
    N-butyl-N,7-dimethyl-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide
    —— N-(3-methoxyphenyl)-2-[(5-phenyl-8,9,10,11-tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[4,3-c]pyrimidin-3-yl)sulfanyl]acetamide —— C26H23N5O2S2
    N-(3-methoxyphenyl)-2-[(5-phenyl-8,9,10,11-tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[4,3-c]pyrimidin-3-yl)sulfanyl]acetamide
    —— (13R)-13-tert-butyl-N-[2-(2-hydroxyethoxy)ethyl]-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide —— C20H27N5O3S
    (13R)-13-tert-butyl-N-[2-(2-hydroxyethoxy)ethyl]-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide
    —— (2S)-2-[(7,14,14-trimethyl-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaen-4-yl)methylamino]butan-1-ol —— C18H25N5O2S
    (2S)-2-[(7,14,14-trimethyl-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaen-4-yl)methylamino]butan-1-ol
    —— (2R)-2-[(7,14,14-trimethyl-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaen-4-yl)methylamino]butan-1-ol —— C18H25N5O2S
    (2R)-2-[(7,14,14-trimethyl-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaen-4-yl)methylamino]butan-1-ol
    —— 4-[(4-Ethylpiperazin-1-yl)methyl]-7,14,14-trimethyl-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene —— C20H28N6OS
    4-[(4-Ethylpiperazin-1-yl)methyl]-7,14,14-trimethyl-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene
    —— (13S)-13-tert-butyl-N-(3-morpholin-4-ium-4-ylpropyl)-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide —— C23H33N6O2S+
    (13S)-13-tert-butyl-N-(3-morpholin-4-ium-4-ylpropyl)-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide
    —— ethyl (5E,6R,7S)-7-(3-chlorophenyl)-5-propylidene-6,7-dihydro-1H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C17H19ClN4O2
    ethyl (5E,6R,7S)-7-(3-chlorophenyl)-5-propylidene-6,7-dihydro-1H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— 4-[(4-Ethylpiperazine-1,4-diium-1-yl)methyl]-7,14,14-trimethyl-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene —— C20H30N6OS+2
    4-[(4-Ethylpiperazine-1,4-diium-1-yl)methyl]-7,14,14-trimethyl-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene
    —— diethyl-[2-[[(14R)-14-methyl-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carbonyl]amino]ethyl]azanium —— C19H27N6OS+
    diethyl-[2-[[(14R)-14-methyl-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carbonyl]amino]ethyl]azanium
    —— (14R)-N-[2-(diethylamino)ethyl]-14-methyl-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide —— C19H26N6OS
    (14R)-N-[2-(diethylamino)ethyl]-14-methyl-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide
    —— (13S)-13-tert-butyl-N-(3-morpholin-4-ylpropyl)-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide —— C23H32N6O2S
    (13S)-13-tert-butyl-N-(3-morpholin-4-ylpropyl)-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide
    —— (6R,7S)-7-(3-chlorophenyl)-N-(4-methoxyphenyl)-5-methylidene-6,7-dihydro-1H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C20H18ClN5O2
    (6R,7S)-7-(3-chlorophenyl)-N-(4-methoxyphenyl)-5-methylidene-6,7-dihydro-1H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (13R)-13-tert-butyl-N-(3-morpholin-4-ylpropyl)-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide —— C23H32N6O2S
    (13R)-13-tert-butyl-N-(3-morpholin-4-ylpropyl)-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide
    —— [(2S)-1-hydroxybutan-2-yl]-[(7,14,14-trimethyl-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaen-4-yl)methyl]azanium —— C18H26N5O2S+
    [(2S)-1-hydroxybutan-2-yl]-[(7,14,14-trimethyl-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaen-4-yl)methyl]azanium
    —— ethyl (5E,6S,7R)-7-(3-chlorophenyl)-5-propylidene-6,7-dihydro-4H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C17H19ClN4O2
    ethyl (5E,6S,7R)-7-(3-chlorophenyl)-5-propylidene-6,7-dihydro-4H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— (14S)-N-[2-(diethylamino)ethyl]-14-methyl-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide —— C19H26N6OS
    (14S)-N-[2-(diethylamino)ethyl]-14-methyl-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide
    —— N-[(2R)-4-phenylbutan-2-yl]-2-[(7-phenyl-10-thia-3,4,6,8-tetrazatetracyclo[7.6.0.02,6.011,15]pentadeca-1(9),2,4,7,11(15)-pentaen-5-yl)sulfanyl]acetamide —— C28H27N5OS2
    N-[(2R)-4-phenylbutan-2-yl]-2-[(7-phenyl-10-thia-3,4,6,8-tetrazatetracyclo[7.6.0.02,6.011,15]pentadeca-1(9),2,4,7,11(15)-pentaen-5-yl)sulfanyl]acetamide
    —— N-[(2S)-4-phenylbutan-2-yl]-2-[(7-phenyl-10-thia-3,4,6,8-tetrazatetracyclo[7.6.0.02,6.011,15]pentadeca-1(9),2,4,7,11(15)-pentaen-5-yl)sulfanyl]acetamide —— C28H27N5OS2
    N-[(2S)-4-phenylbutan-2-yl]-2-[(7-phenyl-10-thia-3,4,6,8-tetrazatetracyclo[7.6.0.02,6.011,15]pentadeca-1(9),2,4,7,11(15)-pentaen-5-yl)sulfanyl]acetamide
    —— 5-Hexylsulfanyl-7-phenyl-10-thia-3,4,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene —— C23H26N4S2
    5-Hexylsulfanyl-7-phenyl-10-thia-3,4,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene
    —— 5,10,10-trimethyl-N-(3-pyridinylmethyl)-10,11-dihydro-8H-pyrano[4',3':4,5]thieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine-2-carboxamide —— C20H20N6O2S
    5,10,10-trimethyl-N-(3-pyridinylmethyl)-10,11-dihydro-8H-pyrano[4',3':4,5]thieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine-2-carboxamide
    —— (6R,7S)-N-(4-fluorophenyl)-5-methylidene-7-(3,4,5-trimethoxyphenyl)-6,7-dihydro-4H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C22H22FN5O4
    (6R,7S)-N-(4-fluorophenyl)-5-methylidene-7-(3,4,5-trimethoxyphenyl)-6,7-dihydro-4H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— 14,14-Dimethyl-4-(pyrrolidin-1-ium-1-ylmethyl)-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene —— C17H22N5OS+
    14,14-Dimethyl-4-(pyrrolidin-1-ium-1-ylmethyl)-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene
    —— (6S,7S)-N-benzyl-5-methylidene-7-pyridin-3-yl-6,7-dihydro-4H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C19H18N6O
    (6S,7S)-N-benzyl-5-methylidene-7-pyridin-3-yl-6,7-dihydro-4H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— N-benzyl-N-(2-hydroxyethyl)-10-thia-3,5,6,8-tetrazatetracyclo[7.6.0.02,6.011,15]pentadeca-1(9),2,4,7,11(15)-pentaene-4-carboxamide —— C20H19N5O2S
    N-benzyl-N-(2-hydroxyethyl)-10-thia-3,5,6,8-tetrazatetracyclo[7.6.0.02,6.011,15]pentadeca-1(9),2,4,7,11(15)-pentaene-4-carboxamide
    —— N-(furan-2-ylmethyl)-5-methyl-9,10-dihydro-8H-cyclopenta[4,5]thieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine-2-carboxamide —— C17H15N5O2S
    N-(furan-2-ylmethyl)-5-methyl-9,10-dihydro-8H-cyclopenta[4,5]thieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine-2-carboxamide
    —— 7,14,14-trimethyl-N-(3-morpholin-4-ium-4-ylpropyl)-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide —— C21H29N6O3S+
    7,14,14-trimethyl-N-(3-morpholin-4-ium-4-ylpropyl)-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene-4-carboxamide
    —— N-[(14,14-dimethyl-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaen-4-yl)methyl]-3-ethoxypropan-1-amine —— C18H25N5O2S
    N-[(14,14-dimethyl-13-oxa-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaen-4-yl)methyl]-3-ethoxypropan-1-amine
    —— ethyl (5S,6S)-7-oxo-5-propan-2-yl-5,6-dihydro-1H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C11H16N4O3
    ethyl (5S,6S)-7-oxo-5-propan-2-yl-5,6-dihydro-1H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— 3-(Butylsulfanyl)-5-phenyl-8,9,10,11-tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[4,3-c]pyrimidine —— C21H22N4S2
    3-(Butylsulfanyl)-5-phenyl-8,9,10,11-tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[4,3-c]pyrimidine
    —— ethyl (5S,6R)-7-oxo-5-propan-2-yl-5,6-dihydro-1H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C11H16N4O3
    ethyl (5S,6R)-7-oxo-5-propan-2-yl-5,6-dihydro-1H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate