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    首页 分子通 按分子结构分类 有机化合物 核苷、核苷酸和类似物

    核苷、核苷酸和类似物

    下级分类

    中文名称 英文名称 CAS号 化学式 结构式图片
    —— [(2R,3R,5R)-4,4-difluoro-3-hydroxy-5-[6-(2-methoxyethoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-2-yl]methyl 3-pyridin-3-ylpropanoate —— C21H24F2N4O8
    [(2R,3R,5R)-4,4-difluoro-3-hydroxy-5-[6-(2-methoxyethoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-2-yl]methyl 3-pyridin-3-ylpropanoate
    —— [(2R,3R,5R)-4,4-difluoro-5-[6-(heptoxycarbonylamino)-2-oxopyrimidin-1-yl]-2-(hydroxymethyl)oxolan-3-yl] 4-anilino-4-oxobutanoate —— C27H34F2N4O8
    [(2R,3R,5R)-4,4-difluoro-5-[6-(heptoxycarbonylamino)-2-oxopyrimidin-1-yl]-2-(hydroxymethyl)oxolan-3-yl] 4-anilino-4-oxobutanoate
    —— 2-methoxyethyl N-[3-[(2R,4R,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,3-difluoro-4-hydroxyoxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate —— C19H31F2N3O7Si
    2-methoxyethyl N-[3-[(2R,4R,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,3-difluoro-4-hydroxyoxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate
    —— tert-butyl [(2R,3R,5R)-4,4-difluoro-5-[6-(hexoxycarbonylamino)-2-oxopyrimidin-1-yl]-2-(hydroxymethyl)oxolan-3-yl] carbonate —— C21H31F2N3O8
    tert-butyl [(2R,3R,5R)-4,4-difluoro-5-[6-(hexoxycarbonylamino)-2-oxopyrimidin-1-yl]-2-(hydroxymethyl)oxolan-3-yl] carbonate
    —— [(2R,3R,5R)-5-[6-(butoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-2-(hydroxymethyl)oxolan-3-yl] 4-anilino-4-oxobutanoate —— C24H28F2N4O8
    [(2R,3R,5R)-5-[6-(butoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-2-(hydroxymethyl)oxolan-3-yl] 4-anilino-4-oxobutanoate
    —— [(2R,3R,5R)-4,4-difluoro-3-hydroxy-5-[6-(2-methylpropoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-2-yl]methyl 3-pyridin-3-ylpropanoate —— C22H26F2N4O7
    [(2R,3R,5R)-4,4-difluoro-3-hydroxy-5-[6-(2-methylpropoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-2-yl]methyl 3-pyridin-3-ylpropanoate
    —— [(2R,3R,5R)-5-[6-(ethoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-2-(hydroxymethyl)oxolan-3-yl] 3-phenylpropanoate —— C21H23F2N3O7
    [(2R,3R,5R)-5-[6-(ethoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-2-(hydroxymethyl)oxolan-3-yl] 3-phenylpropanoate
    —— [(2R,3R,5R)-4,4-difluoro-5-[6-(heptoxycarbonylamino)-2-oxopyrimidin-1-yl]-2-(hydroxymethyl)oxolan-3-yl] 8-anilino-8-oxooctanoate —— C31H42F2N4O8
    [(2R,3R,5R)-4,4-difluoro-5-[6-(heptoxycarbonylamino)-2-oxopyrimidin-1-yl]-2-(hydroxymethyl)oxolan-3-yl] 8-anilino-8-oxooctanoate
    —— [(2R,3R,5R)-4,4-difluoro-3-hydroxy-5-[6-(2-methoxyethoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-2-yl]methyl 4-anilino-4-oxobutanoate —— C23H26F2N4O9
    [(2R,3R,5R)-4,4-difluoro-3-hydroxy-5-[6-(2-methoxyethoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-2-yl]methyl 4-anilino-4-oxobutanoate
    —— ethyl N-[3-[(2R,4R,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,3-difluoro-4-hydroxyoxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate —— C18H29F2N3O6Si
    ethyl N-[3-[(2R,4R,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,3-difluoro-4-hydroxyoxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate
    —— [(2R,3R,5R)-4,4-difluoro-2-(hydroxymethyl)-5-[6-(2-methoxyethoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-3-yl] 3-phenylpropanoate —— C22H25F2N3O8
    [(2R,3R,5R)-4,4-difluoro-2-(hydroxymethyl)-5-[6-(2-methoxyethoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-3-yl] 3-phenylpropanoate
    —— [(2R,3R,5R)-4,4-difluoro-3-hydroxy-5-[6-(2-methylpropoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-2-yl]methyl 8-anilino-8-oxooctanoate —— C28H36F2N4O8
    [(2R,3R,5R)-4,4-difluoro-3-hydroxy-5-[6-(2-methylpropoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-2-yl]methyl 8-anilino-8-oxooctanoate
    —— [(2R,3R,5R)-4,4-difluoro-3-hydroxy-5-[6-(2-methylpropoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-2-yl]methyl 4-anilino-4-oxobutanoate —— C24H28F2N4O8
    [(2R,3R,5R)-4,4-difluoro-3-hydroxy-5-[6-(2-methylpropoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-2-yl]methyl 4-anilino-4-oxobutanoate
    —— [(2R,3R,5R)-4,4-difluoro-5-[6-(heptoxycarbonylamino)-2-oxopyrimidin-1-yl]-3-hydroxyoxolan-2-yl]methyl 6-anilino-6-oxohexanoate —— C29H38F2N4O8
    [(2R,3R,5R)-4,4-difluoro-5-[6-(heptoxycarbonylamino)-2-oxopyrimidin-1-yl]-3-hydroxyoxolan-2-yl]methyl 6-anilino-6-oxohexanoate
    —— [(2R,3R,5R)-4,4-difluoro-3-hydroxy-5-[6-(2-methoxyethoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-2-yl]methyl 8-anilino-8-oxooctanoate —— C27H34F2N4O9
    [(2R,3R,5R)-4,4-difluoro-3-hydroxy-5-[6-(2-methoxyethoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-2-yl]methyl 8-anilino-8-oxooctanoate
    —— heptyl N-[3-[(2R,4R,5R)-3,3-difluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate —— C17H25F2N3O6
    heptyl N-[3-[(2R,4R,5R)-3,3-difluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate
    —— [(2R,3R,5R)-4,4-difluoro-2-(hydroxymethyl)-5-[2-oxo-6-(pentoxycarbonylamino)pyrimidin-1-yl]oxolan-3-yl] 8-anilino-8-oxooctanoate —— C29H38F2N4O8
    [(2R,3R,5R)-4,4-difluoro-2-(hydroxymethyl)-5-[2-oxo-6-(pentoxycarbonylamino)pyrimidin-1-yl]oxolan-3-yl] 8-anilino-8-oxooctanoate
    —— [(2R,3R,5R)-4,4-difluoro-5-[6-(hexoxycarbonylamino)-2-oxopyrimidin-1-yl]-3-hydroxyoxolan-2-yl]methyl 8-anilino-8-oxooctanoate —— C30H40F2N4O8
    [(2R,3R,5R)-4,4-difluoro-5-[6-(hexoxycarbonylamino)-2-oxopyrimidin-1-yl]-3-hydroxyoxolan-2-yl]methyl 8-anilino-8-oxooctanoate
    —— [(2R,3R,5R)-4,4-difluoro-2-(hydroxymethyl)-5-[6-(2-methylpropoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-3-yl] 3-phenylpropanoate —— C23H27F2N3O7
    [(2R,3R,5R)-4,4-difluoro-2-(hydroxymethyl)-5-[6-(2-methylpropoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-3-yl] 3-phenylpropanoate
    —— [(2R,3R,5R)-4,4-difluoro-5-[6-(heptoxycarbonylamino)-2-oxopyrimidin-1-yl]-3-hydroxyoxolan-2-yl]methyl 4-anilino-4-oxobutanoate —— C27H34F2N4O8
    [(2R,3R,5R)-4,4-difluoro-5-[6-(heptoxycarbonylamino)-2-oxopyrimidin-1-yl]-3-hydroxyoxolan-2-yl]methyl 4-anilino-4-oxobutanoate
    —— [(2R,3R,5R)-4,4-difluoro-2-(hydroxymethyl)-5-[6-(2-methoxyethoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-3-yl] 6-anilino-6-oxohexanoate —— C25H30F2N4O9
    [(2R,3R,5R)-4,4-difluoro-2-(hydroxymethyl)-5-[6-(2-methoxyethoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-3-yl] 6-anilino-6-oxohexanoate
    —— [(2R,3R,5R)-5-(6-amino-2-oxopyrimidin-1-yl)-4,4-difluoro-3-hydroxyoxolan-2-yl]methyl 4-anilino-4-oxobutanoate —— C19H20F2N4O6
    [(2R,3R,5R)-5-(6-amino-2-oxopyrimidin-1-yl)-4,4-difluoro-3-hydroxyoxolan-2-yl]methyl 4-anilino-4-oxobutanoate
    —— [(2R,3R,5R)-5-[6-(ethoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-2-(hydroxymethyl)oxolan-3-yl] 4-anilino-4-oxobutanoate —— C22H24F2N4O8
    [(2R,3R,5R)-5-[6-(ethoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-2-(hydroxymethyl)oxolan-3-yl] 4-anilino-4-oxobutanoate
    —— [(2R,3R,5R)-4,4-difluoro-5-[6-(hexoxycarbonylamino)-2-oxopyrimidin-1-yl]-3-hydroxyoxolan-2-yl]methyl 4-anilino-4-oxobutanoate —— C26H32F2N4O8
    [(2R,3R,5R)-4,4-difluoro-5-[6-(hexoxycarbonylamino)-2-oxopyrimidin-1-yl]-3-hydroxyoxolan-2-yl]methyl 4-anilino-4-oxobutanoate
    —— [(2R,3R,5R)-4,4-difluoro-2-(hydroxymethyl)-5-[6-(2-methoxyethoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-3-yl] 8-anilino-8-oxooctanoate —— C27H34F2N4O9
    [(2R,3R,5R)-4,4-difluoro-2-(hydroxymethyl)-5-[6-(2-methoxyethoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-3-yl] 8-anilino-8-oxooctanoate
    —— [(2R,3R,5R)-5-[6-(ethoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-3-hydroxyoxolan-2-yl]methyl 3-phenylpropanoate —— C21H23F2N3O7
    [(2R,3R,5R)-5-[6-(ethoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-3-hydroxyoxolan-2-yl]methyl 3-phenylpropanoate
    —— [(2R,3R,5R)-4,4-difluoro-2-(hydroxymethyl)-5-[2-oxo-6-(pentoxycarbonylamino)pyrimidin-1-yl]oxolan-3-yl] 6-anilino-6-oxohexanoate —— C27H34F2N4O8
    [(2R,3R,5R)-4,4-difluoro-2-(hydroxymethyl)-5-[2-oxo-6-(pentoxycarbonylamino)pyrimidin-1-yl]oxolan-3-yl] 6-anilino-6-oxohexanoate
    —— 2-methylpropyl N-[3-[(2R,4R,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,3-difluoro-4-hydroxyoxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate —— C20H33F2N3O6Si
    2-methylpropyl N-[3-[(2R,4R,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,3-difluoro-4-hydroxyoxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate
    —— [(2R,3R,5R)-5-[6-(butoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-2-(hydroxymethyl)oxolan-3-yl] 8-anilino-8-oxooctanoate —— C28H36F2N4O8
    [(2R,3R,5R)-5-[6-(butoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-2-(hydroxymethyl)oxolan-3-yl] 8-anilino-8-oxooctanoate
    —— [(2R,3R,5R)-4,4-difluoro-2-(hydroxymethyl)-5-[6-(2-methylpropoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-3-yl] 8-anilino-8-oxooctanoate —— C28H36F2N4O8
    [(2R,3R,5R)-4,4-difluoro-2-(hydroxymethyl)-5-[6-(2-methylpropoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-3-yl] 8-anilino-8-oxooctanoate
    —— [(2R,3R,5R)-5-[6-(butoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-2-(hydroxymethyl)oxolan-3-yl] 6-anilino-6-oxohexanoate —— C26H32F2N4O8
    [(2R,3R,5R)-5-[6-(butoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-2-(hydroxymethyl)oxolan-3-yl] 6-anilino-6-oxohexanoate
    —— [(2R,3R,5R)-4,4-difluoro-3-hydroxy-5-[2-oxo-6-(pentoxycarbonylamino)pyrimidin-1-yl]oxolan-2-yl]methyl 4-anilino-4-oxobutanoate —— C25H30F2N4O8
    [(2R,3R,5R)-4,4-difluoro-3-hydroxy-5-[2-oxo-6-(pentoxycarbonylamino)pyrimidin-1-yl]oxolan-2-yl]methyl 4-anilino-4-oxobutanoate
    —— hexyl N-[3-[(2R,4R,5R)-3,3-difluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate —— C16H23F2N3O6
    hexyl N-[3-[(2R,4R,5R)-3,3-difluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate
    —— [(2R,3R,5R)-4,4-difluoro-5-[6-(hexoxycarbonylamino)-2-oxopyrimidin-1-yl]-2-(hydroxymethyl)oxolan-3-yl] 6-anilino-6-oxohexanoate —— C28H36F2N4O8
    [(2R,3R,5R)-4,4-difluoro-5-[6-(hexoxycarbonylamino)-2-oxopyrimidin-1-yl]-2-(hydroxymethyl)oxolan-3-yl] 6-anilino-6-oxohexanoate
    —— butyl N-[3-[(2R,4R,5R)-3,3-difluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate —— C14H19F2N3O6
    butyl N-[3-[(2R,4R,5R)-3,3-difluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate
    —— [(2R,3R,5R)-4,4-difluoro-3-hydroxy-5-[6-(2-methylpropoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-2-yl]methyl 6-anilino-6-oxohexanoate —— C26H32F2N4O8
    [(2R,3R,5R)-4,4-difluoro-3-hydroxy-5-[6-(2-methylpropoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-2-yl]methyl 6-anilino-6-oxohexanoate
    —— [(2R,3R,5R)-4,4-difluoro-5-[6-(hexoxycarbonylamino)-2-oxopyrimidin-1-yl]-2-(hydroxymethyl)oxolan-3-yl] 4-anilino-4-oxobutanoate —— C26H32F2N4O8
    [(2R,3R,5R)-4,4-difluoro-5-[6-(hexoxycarbonylamino)-2-oxopyrimidin-1-yl]-2-(hydroxymethyl)oxolan-3-yl] 4-anilino-4-oxobutanoate
    —— butyl N-[3-[(2R,4R,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,3-difluoro-4-hydroxyoxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate —— C20H33F2N3O6Si
    butyl N-[3-[(2R,4R,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,3-difluoro-4-hydroxyoxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate
    —— [(2R,3R,5R)-5-[6-(ethoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-3-hydroxyoxolan-2-yl]methyl 3-pyridin-3-ylpropanoate —— C20H22F2N4O7
    [(2R,3R,5R)-5-[6-(ethoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-3-hydroxyoxolan-2-yl]methyl 3-pyridin-3-ylpropanoate
    —— [(2R,3R,5R)-4,4-difluoro-2-(hydroxymethyl)-5-[2-oxo-6-(pentoxycarbonylamino)pyrimidin-1-yl]oxolan-3-yl] 4-anilino-4-oxobutanoate —— C25H30F2N4O8
    [(2R,3R,5R)-4,4-difluoro-2-(hydroxymethyl)-5-[2-oxo-6-(pentoxycarbonylamino)pyrimidin-1-yl]oxolan-3-yl] 4-anilino-4-oxobutanoate
    —— pentyl N-[3-[(2R,4R,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,3-difluoro-4-hydroxyoxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate —— C21H35F2N3O6Si
    pentyl N-[3-[(2R,4R,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,3-difluoro-4-hydroxyoxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate
    —— [(2R,3R,5R)-4,4-difluoro-5-[6-(hexoxycarbonylamino)-2-oxopyrimidin-1-yl]-2-(hydroxymethyl)oxolan-3-yl] 3-pyridin-3-ylpropanoate —— C24H30F2N4O7
    [(2R,3R,5R)-4,4-difluoro-5-[6-(hexoxycarbonylamino)-2-oxopyrimidin-1-yl]-2-(hydroxymethyl)oxolan-3-yl] 3-pyridin-3-ylpropanoate
    —— heptyl N-[3-[(2R,4R,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,3-difluoro-4-hydroxyoxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate —— C23H39F2N3O6Si
    heptyl N-[3-[(2R,4R,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,3-difluoro-4-hydroxyoxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate
    —— [(2R,3R,5R)-4,4-difluoro-3-hydroxy-5-[6-(2-methylpropoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-2-yl]methyl 3-phenylpropanoate —— C23H27F2N3O7
    [(2R,3R,5R)-4,4-difluoro-3-hydroxy-5-[6-(2-methylpropoxycarbonylamino)-2-oxopyrimidin-1-yl]oxolan-2-yl]methyl 3-phenylpropanoate
    —— [(2R,3R,5R)-5-[6-(butoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-2-(hydroxymethyl)oxolan-3-yl] 3-phenylpropanoate —— C23H27F2N3O7
    [(2R,3R,5R)-5-[6-(butoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-2-(hydroxymethyl)oxolan-3-yl] 3-phenylpropanoate
    —— hexyl N-[3-[(2R,4R,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,3-difluoro-4-hydroxyoxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate —— C22H37F2N3O6Si
    hexyl N-[3-[(2R,4R,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,3-difluoro-4-hydroxyoxolan-2-yl]-2-oxopyrimidin-4-yl]carbamate
    —— [(2R,3R,5R)-5-[6-(butoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-2-(hydroxymethyl)oxolan-3-yl] tert-butyl carbonate —— C19H27F2N3O8
    [(2R,3R,5R)-5-[6-(butoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-2-(hydroxymethyl)oxolan-3-yl] tert-butyl carbonate
    —— [(2R,3R,5R)-4,4-difluoro-5-[6-(heptoxycarbonylamino)-2-oxopyrimidin-1-yl]-3-hydroxyoxolan-2-yl]methyl 8-anilino-8-oxooctanoate —— C31H42F2N4O8
    [(2R,3R,5R)-4,4-difluoro-5-[6-(heptoxycarbonylamino)-2-oxopyrimidin-1-yl]-3-hydroxyoxolan-2-yl]methyl 8-anilino-8-oxooctanoate
    —— [(2R,3R,5R)-5-(6-amino-2-oxopyrimidin-1-yl)-4,4-difluoro-3-hydroxyoxolan-2-yl]methyl 3-phenylpropanoate —— C18H19F2N3O5
    [(2R,3R,5R)-5-(6-amino-2-oxopyrimidin-1-yl)-4,4-difluoro-3-hydroxyoxolan-2-yl]methyl 3-phenylpropanoate
    —— [(2R,3R,5R)-5-[6-(ethoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-2-(hydroxymethyl)oxolan-3-yl] 3-pyridin-3-ylpropanoate —— C20H22F2N4O7
    [(2R,3R,5R)-5-[6-(ethoxycarbonylamino)-2-oxopyrimidin-1-yl]-4,4-difluoro-2-(hydroxymethyl)oxolan-3-yl] 3-pyridin-3-ylpropanoate