Nitrosoureas:(Carmustine, Fotemustine, Lomustine, Streptozocin)
Platinum (alkylating-like): (Carboplatin, Cisplatin, Oxaliplatin, Triplatin tetranitrate, Satraplatin)
Alkyl sulfonates:(Busulfan, Treosulfan)
Hydrazines:(Procarbazine, Dacarbazine, Temozolomide)
Purine:(Cladribine, Clofarabine, Fludarabine, Mercaptopurine, Pentostatin, Thioguanine)