in contrast to the related class of agents , the n , n'-bis ( sulfonyl ) hydrazines reported earlier by this laboratory,1 the 1- ( arylsulfonyl ) -2- [ ( methoxycarbonyl ) sulfenyl ] -1-methylhydrazines were found to be inactive against the l1210 leukemia in vivo .
C0020233
hydrazines
C0025782
methylhydrazines