title: [STUDIES ON KETENE AND ITS DERIVATIVES. VII. SYNTHESES OF WOLLENBERG TYPE COMPOUNDS AND STUDIES ON THEIR STRUCTURES BY INFRARED ABSORPTION SPECTRA].
mesh_terms: D002626:Chemistry, Pharmaceutical; D005030:Ethylenes; D007539:Isonicotinic Acids; D007659:Ketones; D010604:Pharmacy; D011804:Quinolines; D012106:Research
chemical_list: D005030:Ethylenes; D007539:Isonicotinic Acids; D007659:Ketones; D011804:Quinolines; C008223:ketene
keywords: CHEMISTRY, PHARMACEUTICAL; EXPERIMENTAL LAB STUDY; ISONICOTINIC ACID; KETONES; QUINOLINES