C20976 8-Demethyl-8-(2,3-di-O-methyl-alpha-L-rhamnosyl)tetracenomycin C
C20977 8-Demethyl-8-(2,3,4-tri-O-methyl-alpha-L-rhamnosyl)tetracenomycin C
RP17245_C20976 RP17245_C20977
C20976 C20977