however , phleomycin ( 0.13 to 3.3 x 10 ( -6 ) m ) produced 7 to 350 times more breaks than bleomycin in prelabeled intracellular [ 2-14c ] dna and [ 6-3h ] dna and is considerably more cytotoxic than bleomycin .
C0031559
phleomycin
C0005740
bleomycin