1-(2-Chloroethyl)-3-(4-(dimethylaminosulfonyl)butyl)-1-nitrosourea 1-Butanesulfonamide, 4-((((2-chloroethyl)nitrosoamino)carbonyl)amino)-N,N-dimethyl- 4-((((2-Chloroethyl)nitrosoamino)carbonyl)amino)-N,N-dimethyl-1-butanesulfonamide 91893-64-0