52471-41-7 (1S,3S)-3-acetyl-3,5,12-trihydroxy-10-methoxy-6,11-dioxo-1,2,3,4,6,11-hexahydrotetracen-1-yl 2,3,6-trideoxy-3-[(trifluoroacetyl)amino]-alpha-L-lyxo-hexopyranoside 52474-38-1 (2S,8E,16S,17S,18R,19S,20R,21S,22R,23S,24E)-8-[(azacyclotridecan-1-ylamino)methylidene]-5,6,17,19-tetrahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,9,11-trioxo-1,2,8,9-tetrahydro-2,7-(epoxypentadeca[1,11,13]trienoimino)naphtho[2,1-b]furan-21-yl ace