title: Ethyl 2-(4-hydr-oxy-1-methyl-2-oxo-1,2-dihydro-quinolin-3-yl)acetate.
abstract: In the title compound, C(14)H(15)NO(4), the bicyclic fragment and the ester group form a dihedral angle of 86.7 (2)°. Inter-molecular O-H⋯O and C-H⋯O hydrogen bonding connects mol-ecules into a helix along the crystallographic b axis.
authors.forename: Igor V
authors.initials: IV
authors.lastname: Ukrainets
authors.forename: Svetlana V
authors.initials: SV
authors.lastname: Shishkina
authors.forename: Oleg V
authors.initials: OV
authors.lastname: Shishkin
authors.forename: Alexandra A
authors.initials: AA
authors.lastname: Davidenko
authors.forename: Andrei A
authors.initials: AA
authors.lastname: Tkach