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    —— (6R)-6-N-cyclopentyl-7-ethyl-6-methyl-1-N-[(4-methylphenyl)methyl]-8-oxo-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C24H31N5O3
    (6R)-6-N-cyclopentyl-7-ethyl-6-methyl-1-N-[(4-methylphenyl)methyl]-8-oxo-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-1-N-[(2-ethoxyphenyl)methyl]-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C29H35N5O4
    (6R)-1-N-[(2-ethoxyphenyl)methyl]-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-7-ethyl-N-[(4-fluorophenyl)methyl]-6-methyl-1-(morpholine-4-carbonyl)-8-oxo-5H-imidazo[1,5-a]pyrazine-6-carboxamide —— C22H26FN5O4
    (6S)-7-ethyl-N-[(4-fluorophenyl)methyl]-6-methyl-1-(morpholine-4-carbonyl)-8-oxo-5H-imidazo[1,5-a]pyrazine-6-carboxamide
    —— (6R)-1-N-cyclopropyl-7-ethyl-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C22H27N5O4
    (6R)-1-N-cyclopropyl-7-ethyl-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-1-N-[(2-ethoxyphenyl)methyl]-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C29H35N5O4
    (6S)-1-N-[(2-ethoxyphenyl)methyl]-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-1-N-[[4-(dimethylamino)phenyl]methyl]-6-N-[(4-fluorophenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C28H33FN6O3
    (6S)-1-N-[[4-(dimethylamino)phenyl]methyl]-6-N-[(4-fluorophenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-1-N,6-N-bis[(4-fluorophenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C26H27F2N5O3
    (6R)-1-N,6-N-bis[(4-fluorophenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-1-N-[(3-chlorophenyl)methyl]-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C27H30ClN5O4
    (6R)-1-N-[(3-chlorophenyl)methyl]-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-6-N-[(4-fluorophenyl)methyl]-6-methyl-1-N-(3-methylbutyl)-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C24H32FN5O3
    (6S)-6-N-[(4-fluorophenyl)methyl]-6-methyl-1-N-(3-methylbutyl)-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-7-ethyl-6-N-[(4-fluorophenyl)methyl]-6-methyl-1-N-(4-methylphenyl)-8-oxo-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C25H26FN5O3
    (6R)-7-ethyl-6-N-[(4-fluorophenyl)methyl]-6-methyl-1-N-(4-methylphenyl)-8-oxo-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-1-N-(2,6-dimethylphenyl)-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C28H33N5O4
    (6S)-1-N-(2,6-dimethylphenyl)-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-1-N-cyclopropyl-7-ethyl-6-N-[(4-fluorophenyl)methyl]-6-methyl-8-oxo-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C21H24FN5O3
    (6R)-1-N-cyclopropyl-7-ethyl-6-N-[(4-fluorophenyl)methyl]-6-methyl-8-oxo-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-1-N-[(3-chlorophenyl)methyl]-6-N-cyclopentyl-7-ethyl-6-methyl-8-oxo-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C23H28ClN5O3
    (6R)-1-N-[(3-chlorophenyl)methyl]-6-N-cyclopentyl-7-ethyl-6-methyl-8-oxo-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-6-methyl-6-N-[(4-methylphenyl)methyl]-1-N-(2-morpholin-4-ylethyl)-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C26H36N6O4
    (6S)-6-methyl-6-N-[(4-methylphenyl)methyl]-1-N-(2-morpholin-4-ylethyl)-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-7-ethyl-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-1-(pyrrolidine-1-carbonyl)-5H-imidazo[1,5-a]pyrazine-6-carboxamide —— C23H29N5O4
    (6R)-7-ethyl-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-1-(pyrrolidine-1-carbonyl)-5H-imidazo[1,5-a]pyrazine-6-carboxamide
    —— (6R)-1-N-(4-acetylphenyl)-7-ethyl-6-N-[(4-fluorophenyl)methyl]-6-methyl-8-oxo-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C26H26FN5O4
    (6R)-1-N-(4-acetylphenyl)-7-ethyl-6-N-[(4-fluorophenyl)methyl]-6-methyl-8-oxo-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-1-N-[(3-chlorophenyl)methyl]-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C27H30ClN5O4
    (6S)-1-N-[(3-chlorophenyl)methyl]-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-1-N,6-N-bis[(4-fluorophenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C26H27F2N5O3
    (6S)-1-N,6-N-bis[(4-fluorophenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-7-ethyl-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-1-N-propan-2-yl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C22H29N5O4
    (6S)-7-ethyl-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-1-N-propan-2-yl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-1-N-[(2-chlorophenyl)methyl]-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C27H30ClN5O4
    (6S)-1-N-[(2-chlorophenyl)methyl]-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-1-(1,4-dioxa-8-azaspiro[4.5]decane-8-carbonyl)-N-[(4-fluorophenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-6-carboxamide —— C26H32FN5O5
    (6R)-1-(1,4-dioxa-8-azaspiro[4.5]decane-8-carbonyl)-N-[(4-fluorophenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-6-carboxamide
    —— (6S)-1-N-[(3-fluorophenyl)methyl]-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C27H30FN5O3
    (6S)-1-N-[(3-fluorophenyl)methyl]-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-1-N-(3-chloro-2-methylphenyl)-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C27H30ClN5O3
    (6R)-1-N-(3-chloro-2-methylphenyl)-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-1-N-[(2-ethoxyphenyl)methyl]-6-N-[(4-fluorophenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C28H32FN5O4
    (6R)-1-N-[(2-ethoxyphenyl)methyl]-6-N-[(4-fluorophenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-1-N-[2-(dimethylamino)ethyl]-7-ethyl-6-N-[(4-fluorophenyl)methyl]-6-methyl-8-oxo-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C22H29FN6O3
    (6S)-1-N-[2-(dimethylamino)ethyl]-7-ethyl-6-N-[(4-fluorophenyl)methyl]-6-methyl-8-oxo-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-1-N-(4-ethoxyphenyl)-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C28H33N5O4
    (6R)-1-N-(4-ethoxyphenyl)-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-1-N-[2-(cyclohexen-1-yl)ethyl]-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C28H37N5O3
    (6S)-1-N-[2-(cyclohexen-1-yl)ethyl]-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-1-N-[(2-fluorophenyl)methyl]-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C27H30FN5O3
    (6S)-1-N-[(2-fluorophenyl)methyl]-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-1-(1,4-dioxa-8-azaspiro[4.5]decane-8-carbonyl)-6-methyl-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-6-carboxamide —— C27H35N5O5
    (6R)-1-(1,4-dioxa-8-azaspiro[4.5]decane-8-carbonyl)-6-methyl-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-6-carboxamide
    —— (6S)-6-methyl-1-N,6-N-bis[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C28H33N5O3
    (6S)-6-methyl-1-N,6-N-bis[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-1-N-[[4-(dimethylamino)phenyl]methyl]-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C29H36N6O4
    (6S)-1-N-[[4-(dimethylamino)phenyl]methyl]-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-1-N-cyclopropyl-7-ethyl-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C22H27N5O4
    (6S)-1-N-cyclopropyl-7-ethyl-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-1-N-benzyl-1-N,7-diethyl-6-N-[(4-fluorophenyl)methyl]-6-methyl-8-oxo-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C27H30FN5O3
    (6S)-1-N-benzyl-1-N,7-diethyl-6-N-[(4-fluorophenyl)methyl]-6-methyl-8-oxo-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-6-N-[(4-fluorophenyl)methyl]-6-methyl-1-N-(2-morpholin-4-ylethyl)-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C25H33FN6O4
    (6R)-6-N-[(4-fluorophenyl)methyl]-6-methyl-1-N-(2-morpholin-4-ylethyl)-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-6-methyl-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-1-(4-pyridin-2-ylpiperazine-1-carbonyl)-5H-imidazo[1,5-a]pyrazine-6-carboxamide —— C29H35N7O3
    (6S)-6-methyl-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-1-(4-pyridin-2-ylpiperazine-1-carbonyl)-5H-imidazo[1,5-a]pyrazine-6-carboxamide
    —— (6S)-1-N-benzyl-1-N,6-dimethyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C28H33N5O3
    (6S)-1-N-benzyl-1-N,6-dimethyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-1-N-(2-phenylethyl)-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C28H33N5O3
    (6S)-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-1-N-(2-phenylethyl)-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-1-N-(2-chlorophenyl)-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C26H28ClN5O4
    (6S)-1-N-(2-chlorophenyl)-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-1-N-(2-phenylethyl)-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C28H33N5O4
    (6R)-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-1-N-(2-phenylethyl)-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-1-N-(2,3-dimethylphenyl)-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C28H33N5O3
    (6S)-1-N-(2,3-dimethylphenyl)-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-6-N-benzyl-1-N-[(2-fluorophenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C26H28FN5O3
    (6R)-6-N-benzyl-1-N-[(2-fluorophenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-6-methyl-1-N,6-N-bis[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C28H33N5O3
    (6R)-6-methyl-1-N,6-N-bis[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6S)-1-N-[(4-ethoxyphenyl)methyl]-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C29H35N5O4
    (6S)-1-N-[(4-ethoxyphenyl)methyl]-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-1-N-[2-(4-chlorophenyl)ethyl]-6-N-[(4-fluorophenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C27H29ClFN5O3
    (6R)-1-N-[2-(4-chlorophenyl)ethyl]-6-N-[(4-fluorophenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-1-N-[(2-chlorophenyl)methyl]-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C27H30ClN5O4
    (6R)-1-N-[(2-chlorophenyl)methyl]-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-6-methyl-1-N-[(5-methylfuran-2-yl)methyl]-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C26H31N5O4
    (6R)-6-methyl-1-N-[(5-methylfuran-2-yl)methyl]-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-1-N-[(4-fluorophenyl)methyl]-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C27H30FN5O4
    (6R)-1-N-[(4-fluorophenyl)methyl]-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-1-N-(3-ethoxypropyl)-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C25H35N5O5
    (6R)-1-N-(3-ethoxypropyl)-6-N-[(4-methoxyphenyl)methyl]-6-methyl-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-1-N-[(3-fluorophenyl)methyl]-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C27H30FN5O3
    (6R)-1-N-[(3-fluorophenyl)methyl]-6-methyl-6-N-[(4-methylphenyl)methyl]-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide
    —— (6R)-6-methyl-6-N-[(4-methylphenyl)methyl]-1-N-(2-morpholin-4-ylethyl)-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide —— C26H36N6O4
    (6R)-6-methyl-6-N-[(4-methylphenyl)methyl]-1-N-(2-morpholin-4-ylethyl)-8-oxo-7-propyl-5H-imidazo[1,5-a]pyrazine-1,6-dicarboxamide