英文别名
6-butoxy-7a-(4-methylbenzoyl)-1,4-bis(4-methylphenyl)-1-methoxyphenyl-1,2,3,6,7,7a-hexahydropyrano[4,3-b]pyrrole-2,3-dione;6-Butoxy-1,4-di(4-tolyl)-7a-(4-toluoyl)-7,7a-dihydropyrano[4,3-b]pyrrole-2,3(1h,6h)-dione;6-butoxy-7a-(4-methylbenzoyl)-1,4-bis(4-methylphenyl)-6,7-dihydropyrano[4,3-b]pyrrole-2,3-dione