(2alpha(2S,3S,4S,6R),3beta,5alpha)-2,3-((4-Acetoxytetrahydro-3-hydroxy-6-methyl-2H-pyran-3,2-diyl)bis(oxy))-14-hydroxy-19-oxocard-20(22)-enolide (2alpha,3beta,5alpha)-3-((3-O-Acetyl-4,6-dideoxy-D-erythro-hexopyranos-2-ulos-1-yl)oxy) card-20(22)-enolide 3'-O-Acetylcalotropin 36573-63-4 Asclepiadin Asclepin BRN 4897521 Calotropin, 3'-O-acetyl- EINECS 253-110-8