Synonyms: Bufa-20,22-dienolide,2,3-[[4-(acetyloxy)tetrahydro-3-hydroxy-6-methyl-2H-pyran-3,2-diyl]bis(oxy)]-7,8-epoxy-11,14-dihydroxy-12-oxo-,[2a(2S,3S,4S,6R),3b,5a,7b,11a]-;9H-Cyclopent[7,8]oxireno[8a,9]phenanthro[2,3-b]pyrano[3,2-e][1,4]dioxin, bufa-20,22-dienolidederiv.; Tyledoside C