英文别名
2,5a,8-trimethyl-benzo[b]benzo[4,5]furo[3,2-d]furan-10b-carboxylic acid ethyl ester;Benzofuro(2,3-b)benzofuran-10b-carboxylic acid, 5a,10b-dihydro-2,5a,8-trimethyl ether, ethyl ester;ethyl 3,5a,9-trimethyl-[1]benzofuro[2,3-b][1]benzofuran-10b-carboxylate