57364-74-6 Bufa-20,22-dienolide, 7,8-epoxy-14-hydroxy-2,3-((tetrahydro-3,5-dihydroxy-4-methoxy-6-methyl-2H-pyran-4,2-diyl)bis(oxy))-, (2alpha(2S,3R,4S,5R,6S),3beta,5alpha,7beta)- Cotyledoside