Synonyms: Benz[7,8]anthra[9,1-bc]pyran-2,6,13(10H)-trione,5-[2,6-dideoxy-3-O-[[2S-(2a,5b,6b)]-5-[(2,6-dideoxy-b-D-arabino-hexopyranosyl)oxy]tetrahydro-6-methyl-2H-pyran-2-yl]-b-D-arabino-hexopyranosyl]-9a,11,12,13a-tetrahydro-7,9a,11-trihydroxy-3-(4-hydroxyphenyl)-11-methyl-13a-[(tetrahydro-5-hydroxy-6-methyl-2H-pyran-2-yl)oxy]-,[9aR-[9aa,11a,13aa(2S*,5S*,6S*)]]-; Urdamycin C