CAS No 131959-12-1 , 3-[11-hydroxy-2-[4-[4-hydroxy-2-[1-hydroxy-3-(3-methyl-1,
7-dioxaspiro[5.5]undecan-2-yl)butyl]-3-methylidenespiro[4a,7,8,
8a-tetrahydro-4H-pyrano[3,2-b]pyran-6,
5'-oxolane]-2'-yl]but-3-en-2-yl]-4-methyl-1,
7-dioxaspiro[5.5]undec-4-en-8-yl]-2-methylpropane-1,2-diol