Benzoic acid, 3,4-dichloro-, [1-[1,2,3,4,6,11-hexahydro-2,5,12-trihydroxy-7-methoxy-6,11-dioxo-4-[[2,3,6-trideoxy-3-[[[(4-fluorophenyl)amino]thioxomethyl]amino]-.alpha.-L-lyxo-hexopyranosyl]oxy]-2-naphthacenyl]-2-hydroxyethylidene]hydrazide, (2S-cis)- NSC245421