title: N,N'-[(2,3,5,6-Tetra-methyl-p-phenyl-ene)dimethyl-ene]bis-[2-chloro-N-(2-chloro-ethyl)ethanamine].
abstract: The title mol-ecule, C(20)H(32)Cl(4)N(2), lies on an inversion center. A weak intra-molecular C-H⋯N hydrogen bond may, in part, influence the conformation of the mol-ecule.
authors.affiliation: Laboratory of Bioorganic & Medicinal Chemistry, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People's Republic of China.
authors.forename: Guang-Zhou
authors.initials: GZ
authors.lastname: Wang
authors.forename: Ya-Yun
authors.initials: YY
authors.lastname: Zhuang
authors.forename: Cheng-He
authors.initials: CH
authors.lastname: Zhou