title: 2,2-Dichloro-1-(3,3,6-trimethyl-9-oxo-1,5-diaza-bicyclo-[4.3.0]nonan-5-yl)ethanone.
abstract: In the title mol-ecule, C(12)H(18)Cl(2)N(2)O(2), the six-membered ring is in a chair conformation and the five-membered ring is in an envelope conformation. In the crystal, weak inter-molecular bifurcated (C-H)(2)⋯O hydrogen bonds connect mol-ecules into chains along [010].
authors.affiliation: College of Science, Northeast Agricultural University, Harbin 150030,  People's Republic of China.
authors.forename: Ying
authors.initials: Y
authors.lastname: Fu
authors.forename: Fei
authors.initials: F
authors.lastname: Ye
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