<unk>  is a white to pale beige crystalline or granular powder with a slight odor. When heated to decomposition it emits very toxic fumes of hydrogen<unk> oride and nitrogen oxides.
Chlorambucil
Tioguanine
Indolocarbazole
Periciazine
Hydroxycarbamide
Vindesine
Tipiracil
Milbemycin