| abstract |
Nitrosourea compounds of the formula:n wherein R 1 is lower alkyl and R 2 is lower alkyl, lower alkenyl, lower alkynyl or lower alkoxy-lower alkyl, which may be prepared by nitrosation of a compound of the formula:n wherein R 1 and R 2 are the same as defined above. Said nitrosourea compounds are useful as an anti-tumor or anti-leukemic agent. |