title: 2-[1-(4-Chloro-benzo-yl)pyrrolidin-2-yl]-4,4,5,5-tetra-methyl-4,5-dihydro-imidazole-1-oxyl-3-oxide.
abstract: In the title compound, C(18)H(23)ClN(3)O(3), the imidazole ring system has an envelope conformation, whereas the nitronyl nitroxide unit displays a half-chair or twisted conformation. In the crystal, C-H⋯O hydrogen bonds build up a three-dimensional network.
authors.forename: Min
authors.initials: M
authors.lastname: Tian
authors.forename: Zhuo
authors.initials: Z
authors.lastname: Xiang
authors.forename: Si-Yuan
authors.initials: SY
authors.lastname: Zhou
authors.forename: Lin-Lin
authors.initials: LL
authors.lastname: Jing
authors.forename: Hai-Bo
authors.initials: HB
authors.lastname: Wang
authors.forename: Xiao-Li
authors.initials: XL
authors.lastname: Sun