dimethyl (1S,12R,13R)-1-(3,4,5-trimethoxyphenyl)-5,7,14-trioxatetracyclo[9.2.1.02,10.04,8]tetradeca-2,4(8),9-triene-12,13-dicarboxylate 生成
dimethyl (3,4-trans)-4-hydroxy-6,7-(methylenedioxy)-1-(3',4',5'-trimethoxyphenyl)-3,4-dihydronaphthalene-2,3-dicarboxylate