NC53123
Propyl (2R,3R,5S,8R,10S)-2-[(1R,3R,8S,9S,11R)-12-(2,2-dimethyl-1-oxopropoxy)-5-hydroxy-3,9,11-trimethyl-7-methylene-8-[(phenylmethoxy)methoxy]-1-[(triethylsilyl)oxy]dodecyl]-8,10-dimethyl-3-[(triethylsilyl)oxy]-1-oxa-6-azaspiro[4.5]decane-6-carboxylate