生成
(5E,11E)-Dibenzo[a,e]cyclooctene-5,11-dicarboxylic acid 5-((1R,2S,5R)-2-isopropyl-5-methyl-cyclohexyl) ester 11-methyl ester 、 4b,8d-Dihydro-dibenzo[a,f]cyclopropa[cd]pentalene-8b,8c-dicarboxylic acid 8c-((1R,2S,5R)-2-isopropyl-5-methyl-cyclohexyl) ester 8b-methyl ester