(2R,3R)-3-benzoylamino-2-ethylhexanoic acid tert-butyl ester

(5S,6R)-2-(3'-benzyloxy)propyl-3-acetyl-5-ethyl-6-propyl-1,4,5,6-tetrahydropyridine

(2R,6S,7R,8R,9R,10R,13S,15R,3Z)-1-benzyloxy-8-tert-butyldimethylsilyloxy-10,13-epoxy-15-[N-methyl-N-(toluene-4-sulfonyl)amino]-2,7,9-trimethyloctadec-3-en-6-ol

tert-butyl (3R)-3-<(E)-2-ethoxycarbonylmethylene-pyrrolidin-1-yl>hexanoate

(5R,6S,8S,9S)-8-acetyl-6-ethyl-5-propyloctahydroindolizine