methyl (1S,4aS,10aR)-6-hydroxy-1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octahydrophenanthrene-1-carboxylate

甲基 O-甲基罗汉松酸酯

(S)-(-)-2-Methyl-2-(2'-nitrovinyl)-δ-valerolactone

magnesium,1-ethyl-4-methoxybenzene,iodide

(3S)-3-[(1R)-3-(p-methoxyphenyl)-1-(nitromethyl)propyl]-3-methyltetrahydropyran-2-one