title: 4,4,5,5-Tetra-methyl-2-(3,4,5-trimethoxy-phen-yl)imidazolidine-1-oxyl 3-oxide.
abstract: In the title nitronyl nitroxide radical compound, C(16)C(23)N(2)O(5), the imidazole and benzene rings are twisted with respect to each other, making a dihedral angle of 26.2 (4)°. The imidazole ring adopts a half-chair conformation. Weak C-H⋯π inter-actions are also found.
authors.affiliation: Department of Chemistry, School of Pharmacy, Fourth Military Medical University, Changle West Road 17, 710032 Xi-An, People's Republic of China.
authors.forename: Hai-Bo
authors.initials: HB
authors.lastname: Wang
authors.forename: Lin-Lin
authors.initials: LL
authors.lastname: Jing
authors.forename: Peng
authors.initials: P
authors.lastname: Gao
authors.forename: Xiao-Li
authors.initials: XL
authors.lastname: Sun