Antineoplastic properties of arylsulfonylhydrazones of 3-formylpyridazine 2-oxide and 4-formylpyrimidine 3-oxide

Abstract
The antineoplastic activity of several arylsulfonylhydrazones of 4-formylpyrimidine 3-oxide and of 3-formylpyridazine 2-oxide was investigated. Derivatives of the latter heteroaromatic N-oxide showed excellent antineoplastic potency against the murine neoplasm Sarcoma 180 but were inactive against leukemia L1210; derivatives of 4-formylpyrimidine 3-oxide were inactive against both of these transplanted tumors.

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