英文名称
methyl (3aR,6R,6aS)-6-ethyl-6a-methyl-2,4-dioxo-3a,5-dihydro-3H-furo[2,3-c]pyrrole-6-carboxylate;methyl (3aR,6R,6aS)-6-(hydroxymethyl)-5-[(4-methoxyphenyl)methyl]-6a-methyl-2,4-dioxo-3,3a-dihydrofuro[2,3-c]pyrrole-6-carboxylate;methyl (3aR,6R,6aS)-6-[(4-methoxyphenyl)methoxymethyl]-5-[(4-methoxyphenyl)methyl]-6a-methyl-2,4-dioxo-3,3a-dihydrofuro[2,3-c]pyrrole-6-carboxylate