→ An example of direct-acting DNA carcinogen

Alkylating agent → It has a several types: 1 Alkyl Alkane Sulfonates (methyl- and ethyl sulfonates) 2 Nitrosamines (N-methyl-N-nitrosourea, N-ethyl-N 3 Nitrosourea 4 N-methyl-N-nitro-N-nitrosoguanidine dimethyl- and diethyl nitrosamines (under Classes of Genotoxic Carcinogens)