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ethyl 4-[8-(benzylamino)-1,3-dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-7-yl]butanoate |
ethyl 4-[8-(benzylamino)-1,3-dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-7-yl]butanoate |
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ethyl 4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidine-2-carboxylate |
ethyl 4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidine-2-carboxylate |
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