selected for further study from the bleomycins containing various terminal amines , bleomycin 5033 which showed the same activity against squamous cell carcinoma in mouse skin as the bleomycin used at present and lower toxicity than the latter , and bleomycin a5196 which showed stronger activity and stronger toxicity but lower lung toxicity than the latter .
C0007137
squamous cell carcinoma
C0005740
bleomycin