103638-41-1 3,3-Difluorochlorambucil 4-(p-(Bis(2-chloroethyl)amino)phenyl)-3,3-difluorobutyric acid BUTYRIC ACID, 4-(p-(BIS(2-CHLOROETHYL)AMINO)PHENYL)-3,3-DIFLUORO- Benzenebutanoic acid, 4-(bis(2-chloroethyl)amino)-beta,beta-difluoro- CB7103 beta,beta-Difluorochlorambucil