ethyl 1-methyl-2-oxo-4,6-diphenylcyclohex-3-ene-1-carboxylate

ethyl 1,9-dimethylpyrido[3,4-b]indole-3-carboxylate

4-(1-甲氧基-1-甲基乙基)-1-甲基-环己烯

2-methyl-1,4-benzodioxine-3-carboxylic acid

methyl 9-methoxyfluorene-9-carboxylate