1-(2-chloroethyl)-4-(3-chlorophenyl)piperazine

4,4'-bis-(3-chloro-phenyl)-1,1'-ethane-1,2-diyl-bis-piperazine

2,4-dichloro-1-(2-chloroethoxy)benzene

6-chloro-9-(2-chloroethyl)purine

2-chloroethylsulfanyl-diethoxy-sulfanylidene-λ⁵-phosphane