rac-(2R,3S,3aR,6S,7aR)-3-(3-((tert-butoxycarbonyl)amino)propyl)-3-hydroxy-3a-(3-hydroxypropyl)-6-methyloctahydrospiro[indene-4,2'-[1,3]dioxolan]-2-yl acetate

(1S,4R,6S)-4-Methyl-13-aza-tricyclo[7.7.0.01,6]hexadec-8-ene-2,14-dione

rac-tert-butyl (3-((3aR,6S,7aR)-3a-(3-(benzyloxy)propyl)-6-methyl-1,3a,5,6,7,7a-hexahydrospiro[indene-4,2'-[1,3]dioxolan]-3-yl)propyl)carbamate