1,2,3,4,4a,5,12,12a-Octahydro-2-acetyl-2-hydroxy-6,7,11-trimethoxy-12-oxo-naphthacene

反-4-环己烯-1,2-二甲酸二甲酯

1,2-di-(methoxycarbonyl)-4-ethylidene-cyclohexane

dimethyl (1S,2S)-4-(1-(2-tosylhydrazono)ethyl)cyclohex-4-ene-1,2-dicarboxylate

methyl 5-acetyl-5-hydroxy-2-(1,4,8-trimethoxy-2-naphthoyl)cyclohexane-1-carboxylate