53126-28-6 (2Z,4S,4aR,5S,5aR,12aS)-2-[amino(hydroxy)methylidene]-4-(dimethylamino)-5,10,11,12a-tetrahydroxy-6-methylidene-4a,5a,6,12a-tetrahydrotetracene-1,3,12(2H,4H,5H)-trione - 2-amino-2-(hydroxymethyl)propane-1,3-diol (1:1) 53142-34-0 (2R,3a'R,4'R,6a'S,7'S,7a'R,8a'S,8b'S,8c'S)-7'-hydroxy-8a'-methyl-3'-methylidene-2'-oxodecahydro-2'H-spiro[oxirane-2,6'-oxireno[2,3]azuleno[4,5-b]furan]-4'-yl (2Z)-4-(acetyloxy)-2-methylbut-2-enoate