title: N-(2,6-Dimeth-oxy-pyridin-3-yl)-9-methyl-9H-carbazole-3-sulfonamide.
abstract: In the title compound, C20H19N3O4S, a novel tubulin ligand active against human cancer, the dihedral angle between the pyridine ring and the carbazole ring system is 42.87 (10)°. In the crystal, the mol-ecules are held together by N-H⋯O and C-H⋯O hydrogen bonds into layers, which are assembled into a three-dimensional network via π-π stacking inter-actions between inversion-related pyridine rings, with centroid-centroid distances of 3.5101 (12) Å.
authors: Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Tiantan Xili 1#, Beijing, People's Republic of China.
authors: Guangzhi
authors: G
authors: Shan
authors: Zhuorong
authors: Z
authors: Li
authors: Laixing
authors: L
authors: Hu
authors: Jiandong
authors: J
authors: Jiang
authors: Zongying
authors: Z
authors: Liu
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