Mode of action of alkylating agents:  formation of S-ethylcysteine from ethyl methanesulphonate in vivo.
D000477:Alkylating Agents; D000970:Antineoplastic Agents / Q000378:metabolism*; D003545:Cysteine / Q000031:analogs & derivatives; D005020:Ethyl Methanesulfonate; D006801:Humans; D009369:Neoplasms / Q000378:metabolism*
D000477:Alkylating Agents; D000970:Antineoplastic Agents; C031752:ethyl cysteine; D005020:Ethyl Methanesulfonate; C026826:S-ethylcysteine; D003545:Cysteine
CYSTEINE/related compounds; CYTOTOXIC DRUGS/metabolism; NEOPLASMS/metabolism