1,1'-Bis(2-chloroethyl)-4,4'-bipiperidine 1,1'-Bis(beta-chloroethyl)-4,4'-bipiperidine 4,4'-BIPIPERIDINE, 1,1'-BIS(2-CHLOROETHYL)- 5-23-04-00090 (Beilstein Handbook Reference) 6802-93-3 BPM BRN 0133829 Bipiperidyl mustard N,N'-Bis(beta-chloroethyl)-4,4'-bipiperidine