反-4-环己烯-1,2-二甲酸二甲酯

富马酸单甲酯

1,2,3,4-四氢萘三羰基铬

rac-dimethyl (2R,3S)-3,4-dihydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolane]-2,3-dicarboxylate