title: Di-tert-butyl 3,3'-(2,2'-bi-1H-imidazole-1,1'-di-yl)dipropanoate.
abstract: In the title compound, C(20)H(20)N(4)O(4), the complete molecule is generated by a crystallographic centre of symmetry. The conformation is stabilized by two intramolecular C-H⋯N links.
authors.affiliation: State Key Laboratory Base of Novel Functional Materials, and Preparation Science, Faculty of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, People's Republic of China.
authors.forename: Ke
authors.initials: K
authors.lastname: Wang
authors.forename: Yue-Jiao
authors.initials: YJ
authors.lastname: Li
authors.forename: Ting-Ting
authors.initials: TT
authors.lastname: Zhang
authors.forename: Hong-Ze
authors.initials: HZ
authors.lastname: Liang