5,7-二甲基八氢吲嗪

(2R,4S,6R)-(-)-N-benzoxycalboyl-4,6-dimethyl-3-methylesterpropylpiperidine

{(2R,4R,4bS,9aR,10aR)-4-[3-(tert-Butyl-dimethyl-silanyloxy)-propyl]-5-isopropyl-1,3,4,9,9a,10a-hexahydro-2H,4bH-10-oxa-4a-aza-indeno[1,2-a]inden-2-yl}-methanol

(2R,4S,6R)-(-)-N-benzoxycalboyl-4,6-dimethyl-2-hydroxypropylpiperidine

(2R,4S,6R)-(-)-N-benzyzoxycalboyl-2-(3-tert-butyldimethylsilyloxypropyl)-4-hydroxymethyl-6-methylpiperidine