title: (-)-crebanine.
abstract: THE ASYMMETRIC UNIT OF THE TITLE COMPOUND [SYSTEMATIC NAME: 9,10-dimeth-oxy-7-methyl-6,7,7a,8-tetra-hydro-5H-benzo[g][1,3]benzodioxolo[6,5,4-de]quinoline], C(20)H(21)NO(4), contains two independent mol-ecules with very similar bond lengths and angles. The crystal packing exhibits voids of 131 Å(3).
authors.forename: Tanwawan
authors.initials: T
authors.lastname: Duangthongyou
authors.forename: Arthit
authors.initials: A
authors.lastname: Makarasen
authors.forename: Supanna
authors.initials: S
authors.lastname: Techasakul
authors.forename: Nitirat
authors.initials: N
authors.lastname: Chimnoi
authors.forename: Sutatip
authors.initials: S
authors.lastname: Siripaisarnpipat