右旋奎宁酸

3,4-isopropylidenequinide

methyl 4,5-O-isopropylidene-3-dehydro-4-epi-shikimate

methyl (1R,3R,4S,5R)-1,5-dihydroxy-3,4-(isopropylidenedioxy)cyclohexane-1-carboxylate

methyl (3aR,7aR)-7,7-difluoro-2,2-dimethyl-3a,4,7,7a-tetrahydrobenzo[d][1,3]dioxole-5-carboxylate