1-Butanone, 1,1'-(((2-chloroethyl)imino)bis(2,1-ethanediyloxy(5-nitro-2,1-phenylene)))bis-, (S-(E))- 92756-02-0 N,N-Bis(2-(2-butanoyl)-4-nitrophenoxyethyl)-N-(2-chloroethyl)amine N,N-Bnpca