英文名称
ethyl (4R,5S,6R,8S,9R)-9-[(E,1S,3S)-6-[(4S,6R,9R,11R)-4-[(2S)-but-3-en-2-yl]-9-[tert-butyl(dimethyl)silyl]oxy-2,2-dimethyl-1,3,7-trioxaspiro[5.5]undecan-11-yl]-1-methoxy-3,5-dimethylhex-5-enyl]-8-methoxy-2,2,6-trimethyl-1,3,10-trioxaspiro[4.5]decane-4-carboxylate