ethyl (2R,4R)-1-[(1'S)-1'-phenylethyl]-4-methyl-2-pipecolate

ethyl (2R,4R)-4-methyl-2-piperidinecarboxylate L-(+)-tartarate

[2S-[1(S*),2alpha,4alpha]]-4-甲基-1-(1-苯基乙基)-2-哌啶羧酸乙酯

(2R)-1,2,3,6-四氢-4-甲基-1-[(1R)-1-苯基乙基]-2-吡啶羧酸乙酯

异戊二烯