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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 哌嗪基哌啶类

    哌嗪基哌啶类

    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (9aR)-2-methyl-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-4-one —— C9H16N2O
    (9aR)-2-methyl-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-4-one
    —— 1-Benzyl-7-(8-chloroimidazo[1,5-a]pyrazin-3-yl)-1,2,3,6,7,8,9,9a-octahydropyrido[1,2-a]pyrazin-4-one —— C21H22ClN5O
    1-Benzyl-7-(8-chloroimidazo[1,5-a]pyrazin-3-yl)-1,2,3,6,7,8,9,9a-octahydropyrido[1,2-a]pyrazin-4-one
    —— tert-butyl 2-(1-methoxy-2-methyl-3-oxopropan-2-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-7-carboxylate —— C18H30N2O5
    tert-butyl 2-(1-methoxy-2-methyl-3-oxopropan-2-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-7-carboxylate
    —— 2-O-benzyl 7-O-methyl (7S,9aR)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2,7-dicarboxylate —— C18H22N2O5
    2-O-benzyl 7-O-methyl (7S,9aR)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2,7-dicarboxylate
    —— (7S,9aR)-4-oxo-2-phenylmethoxycarbonyl-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-7-carboxylic acid —— C17H20N2O5
    (7S,9aR)-4-oxo-2-phenylmethoxycarbonyl-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-7-carboxylic acid
    —— 5-[(7S,9aR)-2,3,4,6,7,8,9,9a-octahydro-1H-pyrido[1,2-a]pyrazin-7-yl]-4-methyl-3H-2-benzofuran-1-one —— C17H22N2O2
    5-[(7S,9aR)-2,3,4,6,7,8,9,9a-octahydro-1H-pyrido[1,2-a]pyrazin-7-yl]-4-methyl-3H-2-benzofuran-1-one
    —— benzyl 7-(4-amino-3-bromoimidazo[1,5-a]pyrazin-4-ium-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylate —— C22H24BrN6O3+
    benzyl 7-(4-amino-3-bromoimidazo[1,5-a]pyrazin-4-ium-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylate
    —— methyl 2-[(7S,9aR)-7-(1-bromo-8-chloroimidazo[1,5-a]pyrazin-3-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]-2-methylpropanoate —— C19H23BrClN5O3
    methyl 2-[(7S,9aR)-7-(1-bromo-8-chloroimidazo[1,5-a]pyrazin-3-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]-2-methylpropanoate
    —— (7S,9aS)-4-oxo-2-phenylmethoxycarbonyl-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-7-carboxylic acid —— C17H20N2O5
    (7S,9aS)-4-oxo-2-phenylmethoxycarbonyl-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-7-carboxylic acid
    —— 7-(1-bromo-8-chloroimidazo[1,5-a]pyrazin-3-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylic acid —— C15H15BrClN5O3
    7-(1-bromo-8-chloroimidazo[1,5-a]pyrazin-3-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylic acid
    —— 2-[(7R,9aS)-7-[4-amino-3-[4-[[4-(trifluoromethyl)pyridin-2-yl]carbamoyl]phenyl]imidazo[1,5-a]pyrazin-4-ium-1-yl]-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]acetate —— C29H27F3N8O4
    2-[(7R,9aS)-7-[4-amino-3-[4-[[4-(trifluoromethyl)pyridin-2-yl]carbamoyl]phenyl]imidazo[1,5-a]pyrazin-4-ium-1-yl]-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]acetate
    —— 7-(3-bromo-4H-imidazo[1,5-a]pyrazin-4-ium-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylate;chloride —— C15H16BrClN5O3-
    7-(3-bromo-4H-imidazo[1,5-a]pyrazin-4-ium-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylate;chloride
    —— 4-[4-amino-1-[(7R,9aS)-4-oxo-2-propan-2-yl-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-7-yl]imidazo[1,5-a]pyrazin-4-ium-3-yl]-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide —— C30H32F3N8O2+
    4-[4-amino-1-[(7R,9aS)-4-oxo-2-propan-2-yl-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-7-yl]imidazo[1,5-a]pyrazin-4-ium-3-yl]-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide
    —— 4-[4-amino-1-[(7R,9aS)-4-oxo-2-(pyridine-4-carbonyl)-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-7-yl]imidazo[1,5-a]pyrazin-4-ium-3-yl]-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide —— C33H29F3N9O3+
    4-[4-amino-1-[(7R,9aS)-4-oxo-2-(pyridine-4-carbonyl)-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-7-yl]imidazo[1,5-a]pyrazin-4-ium-3-yl]-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide
    —— 4-[4-amino-1-[(7S,9aR)-4-oxo-1,2,3,6,7,8,9,9a-octahydropyrido[1,2-a]pyrazin-7-yl]imidazo[1,5-a]pyrazin-4-ium-3-yl]-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide —— C27H26F3N8O2+
    4-[4-amino-1-[(7S,9aR)-4-oxo-1,2,3,6,7,8,9,9a-octahydropyrido[1,2-a]pyrazin-7-yl]imidazo[1,5-a]pyrazin-4-ium-3-yl]-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide
    —— 7-(4-amino-3-bromoimidazo[1,5-a]pyrazin-4-ium-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylate —— C15H17BrN6O3
    7-(4-amino-3-bromoimidazo[1,5-a]pyrazin-4-ium-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylate
    —— 7-(3-bromoimidazo[1,5-a]pyrazin-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylic acid —— C15H16BrN5O3
    7-(3-bromoimidazo[1,5-a]pyrazin-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylic acid
    —— (7R,9aS)-7-(4-amino-3-bromoimidazo[1,5-a]pyrazin-4-ium-1-yl)-2-methyl-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-4-one —— C15H20BrN6O+
    (7R,9aS)-7-(4-amino-3-bromoimidazo[1,5-a]pyrazin-4-ium-1-yl)-2-methyl-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-4-one
    —— 1-benzyl-7-(8-chloroimidazo[1,5-a]pyrazin-3-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylic acid —— C22H22ClN5O3
    1-benzyl-7-(8-chloroimidazo[1,5-a]pyrazin-3-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylic acid
    —— (7R,9aR)-7-(8-amino-1-bromoimidazo[1,5-a]pyrazin-3-yl)-1-benzyl-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylic acid —— C22H23BrN6O3
    (7R,9aR)-7-(8-amino-1-bromoimidazo[1,5-a]pyrazin-3-yl)-1-benzyl-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylic acid
    —— 4-[1-[(7R,9aS)-2-ethyl-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-7-yl]-4-aminoimidazo[1,5-a]pyrazin-4-ium-3-yl]-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide —— C29H30F3N8O2+
    4-[1-[(7R,9aS)-2-ethyl-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-7-yl]-4-aminoimidazo[1,5-a]pyrazin-4-ium-3-yl]-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide
    —— 4-[1-[(7R,9aS)-2-benzoyl-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-7-yl]-4-aminoimidazo[1,5-a]pyrazin-4-ium-3-yl]-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide —— C34H30F3N8O3+
    4-[1-[(7R,9aS)-2-benzoyl-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-7-yl]-4-aminoimidazo[1,5-a]pyrazin-4-ium-3-yl]-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide
    —— 2-O-benzyl 7-O-methyl (7S,9aS)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2,7-dicarboxylate —— C18H22N2O5
    2-O-benzyl 7-O-methyl (7S,9aS)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2,7-dicarboxylate
    —— 7-(8-amino-1-bromoimidazo[1,5-a]pyrazin-3-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylic acid —— C15H17BrN6O3
    7-(8-amino-1-bromoimidazo[1,5-a]pyrazin-3-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylic acid
    —— (7S,9aS)-1-benzyl-7-(8-chloroimidazo[1,5-a]pyrazin-3-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylic acid —— C22H22ClN5O3
    (7S,9aS)-1-benzyl-7-(8-chloroimidazo[1,5-a]pyrazin-3-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylic acid
    —— (7S,9aS)-1-benzyl-7-(1-bromo-8-chloroimidazo[1,5-a]pyrazin-3-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylic acid —— C22H21BrClN5O3
    (7S,9aS)-1-benzyl-7-(1-bromo-8-chloroimidazo[1,5-a]pyrazin-3-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylic acid
    —— methyl 2-[(7S,9aR)-7-imidazo[1,5-a]pyrazin-1-yl-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]-2-methylpropanoate —— C19H25N5O3
    methyl 2-[(7S,9aR)-7-imidazo[1,5-a]pyrazin-1-yl-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]-2-methylpropanoate
    —— cis-(7S,9aS)-benzyl 7-(1-bromo-8-chloroimidazo[1,5-a]pyrazin-3-yl)-4-oxohexahydro-1H-pyrido[1,2-a]pyrazine-2(6H)-carboxylate —— C22H21BrClN5O3
    cis-(7S,9aS)-benzyl 7-(1-bromo-8-chloroimidazo[1,5-a]pyrazin-3-yl)-4-oxohexahydro-1H-pyrido[1,2-a]pyrazine-2(6H)-carboxylate
    —— 4-[1-[(7R,9aS)-2-(2-hydroxyethyl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-7-yl]-4-aminoimidazo[1,5-a]pyrazin-4-ium-3-yl]-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide —— C29H30F3N8O3+
    4-[1-[(7R,9aS)-2-(2-hydroxyethyl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-7-yl]-4-aminoimidazo[1,5-a]pyrazin-4-ium-3-yl]-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide
    —— methyl 2-[(7S,9aR)-7-(3-bromo-4H-imidazo[1,5-a]pyrazin-4-ium-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]-2-methylpropanoate;chloride —— C19H25BrClN5O3
    methyl 2-[(7S,9aR)-7-(3-bromo-4H-imidazo[1,5-a]pyrazin-4-ium-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]-2-methylpropanoate;chloride
    —— methyl 2-[(7S,9aR)-7-(3-bromoimidazo[1,5-a]pyrazin-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]-2-methylpropanoate —— C19H24BrN5O3
    methyl 2-[(7S,9aR)-7-(3-bromoimidazo[1,5-a]pyrazin-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]-2-methylpropanoate
    —— 4-[4-amino-1-[(7R,9aR)-4-oxo-1,2,3,6,7,8,9,9a-octahydropyrido[1,2-a]pyrazin-7-yl]imidazo[1,5-a]pyrazin-4-ium-3-yl]-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide —— C27H26F3N8O2+
    4-[4-amino-1-[(7R,9aR)-4-oxo-1,2,3,6,7,8,9,9a-octahydropyrido[1,2-a]pyrazin-7-yl]imidazo[1,5-a]pyrazin-4-ium-3-yl]-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide
    —— (7S,9aS)-benzyl 7-(((3-chloropyrazin-2-yl)methyl)carbamoyl)-4-oxohexahydro-1H-pyrido[1,2-a]pyrazine-2(6H)-carboxylate —— C22H24ClN5O4
    (7S,9aS)-benzyl 7-(((3-chloropyrazin-2-yl)methyl)carbamoyl)-4-oxohexahydro-1H-pyrido[1,2-a]pyrazine-2(6H)-carboxylate
    —— 4-[1-[(7S,9aR)-2-methyl-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-7-yl]-4-aminoimidazo[1,5-a]pyrazin-4-ium-3-yl]-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide —— C28H28F3N8O2+
    4-[1-[(7S,9aR)-2-methyl-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-7-yl]-4-aminoimidazo[1,5-a]pyrazin-4-ium-3-yl]-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide
    —— (7S,9aS)-7-(8-amino-1-bromoimidazo[1,5-a]pyrazin-3-yl)-1-benzyl-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylic acid —— C22H23BrN6O3
    (7S,9aS)-7-(8-amino-1-bromoimidazo[1,5-a]pyrazin-3-yl)-1-benzyl-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylic acid
    —— methyl 2-[(7S,9aR)-7-(4H-imidazo[1,5-a]pyrazin-4-ium-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]-2-methylpropanoate;chloride —— C19H26ClN5O3
    methyl 2-[(7S,9aR)-7-(4H-imidazo[1,5-a]pyrazin-4-ium-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]-2-methylpropanoate;chloride
    —— (7S,9aR)-7-[(2-methylpropan-2-yl)oxycarbonyl]-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylic acid —— C14H22N2O5
    (7S,9aR)-7-[(2-methylpropan-2-yl)oxycarbonyl]-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylic acid
    —— 2-O-benzyl 7-O-tert-butyl 4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2,7-dicarboxylate —— C21H28N2O5
    2-O-benzyl 7-O-tert-butyl 4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2,7-dicarboxylate
    —— (trans)-2-((benzyloxy)carbonyl)-4-oxooctahydro-1H-pyrido[1,2-a]pyrazine-7-carboxylic acid —— C17H20N2O5
    (trans)-2-((benzyloxy)carbonyl)-4-oxooctahydro-1H-pyrido[1,2-a]pyrazine-7-carboxylic acid
    —— benzyl 7-(3-bromo-4H-imidazo[1,5-a]pyrazin-4-ium-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylate;chloride —— C22H23BrClN5O3
    benzyl 7-(3-bromo-4H-imidazo[1,5-a]pyrazin-4-ium-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylate;chloride
    —— (7R,9aR)-7-(4-amino-3-bromoimidazo[1,5-a]pyrazin-4-ium-1-yl)-1,2,3,6,7,8,9,9a-octahydropyrido[1,2-a]pyrazin-4-one —— C14H18BrN6O+
    (7R,9aR)-7-(4-amino-3-bromoimidazo[1,5-a]pyrazin-4-ium-1-yl)-1,2,3,6,7,8,9,9a-octahydropyrido[1,2-a]pyrazin-4-one
    —— methyl 2-[(7S,9aR)-7-(8-chloroimidazo[1,5-a]pyrazin-3-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]-2-methylpropanoate —— C19H24ClN5O3
    methyl 2-[(7S,9aR)-7-(8-chloroimidazo[1,5-a]pyrazin-3-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]-2-methylpropanoate
    —— methyl 2-[(7R,9aS)-7-(4-amino-3-bromoimidazo[1,5-a]pyrazin-4-ium-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]-2-methylpropanoate —— C19H26BrN6O3+
    methyl 2-[(7R,9aS)-7-(4-amino-3-bromoimidazo[1,5-a]pyrazin-4-ium-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]-2-methylpropanoate
    —— cis-(7S,9aS)-benzyl7-(8-chloroimidazo[1,5-a]pyrazin-3-yl)-4-oxohexahydro-1H-pyrido[1,2-a]pyrazine-2(6H)-carboxylate —— C22H22ClN5O3
    cis-(7S,9aS)-benzyl7-(8-chloroimidazo[1,5-a]pyrazin-3-yl)-4-oxohexahydro-1H-pyrido[1,2-a]pyrazine-2(6H)-carboxylate
    —— (7S,9aR)-7-(4-amino-3-bromoimidazo[1,5-a]pyrazin-4-ium-1-yl)-1,2,3,6,7,8,9,9a-octahydropyrido[1,2-a]pyrazin-4-one —— C14H18BrN6O+
    (7S,9aR)-7-(4-amino-3-bromoimidazo[1,5-a]pyrazin-4-ium-1-yl)-1,2,3,6,7,8,9,9a-octahydropyrido[1,2-a]pyrazin-4-one
    —— methyl 2-[(7R,9aS)-7-[4-amino-3-[4-[[4-(trifluoromethyl)pyridin-2-yl]carbamoyl]phenyl]imidazo[1,5-a]pyrazin-4-ium-1-yl]-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]-2-methylpropanoate —— C32H34F3N8O4+
    methyl 2-[(7R,9aS)-7-[4-amino-3-[4-[[4-(trifluoromethyl)pyridin-2-yl]carbamoyl]phenyl]imidazo[1,5-a]pyrazin-4-ium-1-yl]-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]-2-methylpropanoate
    —— 4-[4-amino-1-[(7R,9aS)-4-oxo-1,2,3,6,7,8,9,9a-octahydropyrido[1,2-a]pyrazin-7-yl]imidazo[1,5-a]pyrazin-4-ium-3-yl]-3-methoxy-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide —— C28H28F3N8O3+
    4-[4-amino-1-[(7R,9aS)-4-oxo-1,2,3,6,7,8,9,9a-octahydropyrido[1,2-a]pyrazin-7-yl]imidazo[1,5-a]pyrazin-4-ium-3-yl]-3-methoxy-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide
    —— methyl 2-[(7S,9aR)-7-[(3-chloropyrazin-2-yl)methylcarbamoyl]-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]-2-methylpropanoate —— C19H26ClN5O4
    methyl 2-[(7S,9aR)-7-[(3-chloropyrazin-2-yl)methylcarbamoyl]-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazin-2-yl]-2-methylpropanoate
    —— cis-(7S,9aS)-benzyl 7-(8-amino-1-bromoimidazo[1,5-a]pyrazin-3-yl)-4-oxohexahydro-1H-pyrido[1,2-a]pyrazine-2(6H)-carboxylate —— C22H23BrN6O3
    cis-(7S,9aS)-benzyl 7-(8-amino-1-bromoimidazo[1,5-a]pyrazin-3-yl)-4-oxohexahydro-1H-pyrido[1,2-a]pyrazine-2(6H)-carboxylate
    —— benzyl 7-(4H-imidazo[1,5-a]pyrazin-4-ium-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylate;chloride —— C22H24ClN5O3
    benzyl 7-(4H-imidazo[1,5-a]pyrazin-4-ium-1-yl)-4-oxo-3,6,7,8,9,9a-hexahydro-1H-pyrido[1,2-a]pyrazine-2-carboxylate;chloride