title: [Studies on quinolizine derivatives. VII. Reaction of 3-cyano-2-methylthio-4-oxo-4H-pyrido(1,2-a)pyrimidine and 3-cyano-4-imino-2-methylthio-4H-pyrido(1,2-a)pyrimidine (author's transl)].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D009570:Nitriles; D011725:Pyridines; D011743:Pyrimidines; D011807:Quinolizines; D013056:Spectrophotometry, Ultraviolet
chemical_list: D009570:Nitriles; D011725:Pyridines; D011743:Pyrimidines; D011807:Quinolizines