上游原料
6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione4-methoxy-N,N-dimethylbenzamide2-(methylsulfanyl)-1H-pyrrole(4-methoxyphenyl)[5-(methylsulfanyl)-1H-pyrrol-2-yl]methanone(4-methoxyphenyl)[5-(methylsulfonyl)-1H-pyrrol-2-yl]methanone5-[2-[2-(4-methoxybenzoyl)-5-(methylsulfonyl)-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4,6-dionedimethyl 2-[2-[2-(4-methoxybenzoyl)-5-(methylsulfonyl)-1H-pyrrol-1-yl]ethyl]malonatedimethyl 5-(4-methoxybenzoyl)-2,3-dihydro-1H-pyrrolizine-1,1-dicarboxylate5-[2-[2-(4-methoxybenzoyl)-5-(methylsulfanyl)-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4,6-dione