上游原料
ethyl 2-oxocyclohexanecarboxylate; Ethyl 2-cyclohexanonecarboxylatem-cresol; m-Methylphenol3-methyl-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one3,6,6-trimethyl-7,8,9,10-tetrahydro-6H-benzo[c]chromene3,6,6-trimethyl-6H-benzo[c]chromene3-(bromomethyl)-6,6-dimethyl-6H-benzo[c]chromeneIndole-3-butyric acid; 4-(3-Indolyl)butyric acid; 4-(1H-Indol-3-yl)butyric acid