title: Dimethyl 5,6,7-trimeth-oxy-2-methyl-1,2-dihydro-quinoline-2,4-dicarboxyl-ate.
abstract: In the title compound, C(17)H(21)NO(7), the dihydro-pyridine ring assumes a screw-boat conformation. In the crystal, inter-molecular C-H⋯O hydrogen bonds link the mol-ecules, forming supra-molecular chains running along the b axis.
authors.forename: Zeynep
authors.initials: Z
authors.lastname: Gültekin
authors.forename: Wolfgang
authors.initials: W
authors.lastname: Frey
authors.forename: Tuncer
authors.initials: T
authors.lastname: Hökelek