EINECS 254-763-1, 1,4-Dihydro-7-(2,6-dimethyl-4-pyridyl)-4-oxo-3-chinolin-carbonsaeure-ethylester, 7-(2,6-dimethyl-pyridin-4-yl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester, Ethyl 7-(2,6-dimethyl-4-pyridyl)-1,4-dihydro-4-oxoquinoline-3-carboxylate, ETHYL 7-(2,6-DIMETHYL-PYRIDIN-4-YL)-1,4-DIHYDRO-4-OXOQUINOLINE-3-CARBOXYLATE,