英文名称
(2S,4R,4aR,5'R,6R,8aR)-2-[(1S,3S)-3-[(2S,3R,6S)-3-methyl-1,7-dioxaspiro[5.5]undecan-2-yl]-1-phenylmethoxybutyl]-3-methylidene-5'-[(E,3R)-3-[(2S,6R,8S,11R)-4-methyl-11-phenylmethoxy-8-[[(4R)-2,2,4-trimethyl-1,3-dioxolan-4-yl]methyl]-1,7-dioxaspiro[5.5]undec-4-en-2-yl]but-1-enyl]-4-phenylmethoxyspiro[4a,7,8,8a-tetrahydro-4H-pyrano[3,2-b]pyran-6,2'-oxolane]