Synonyms: 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)]-,[2a(2S,3R,4S,5R,6S),3b,5a,7b]-;8,12-Methano-10H-cyclopenta[7,8]oxireno[8a,9]phenanthro[2,3-d][1,3,6]trioxonin,bufa-20,22-dienolide deriv.; Cotyledoside