(E)-5-[2-methyl-2-(1,2,3,4-tetrahydro-2,2,4,4-tetramethyl-9-octyl-9H-dibenzo[b,d]pyrrol-6yl)ethenyl]-2-furancarboxylic acid 、 (E)-5-[2-methyl-2-(1,2,3,4-tetrahydro-2,2,4,4-tetramethyl-9-octyl-9H-dibenzo-[b,d]pyrrol-6,yl)ethenyl]-2-furancarboxylic acid methyl ester 生成 (E)-5-[2-methyl-2-(1,2,3,4-tetrahydro-2.2,4,4-tetramethyl-9-octyl-9H-dibenzo-[b,d]pyrrol-6-yl)ethenyl]-2-furancarboxylic acid