Return to Article Details NVESTIGATION OF NAPHTHYRIDINES. 16. SYNTHESIS OF DERIVATIVES OF 2,5-DIOXO-1,2,5,6,7,8-HEXAHYDRO-1,6-NAPHTHYRIDINE-3-CARBOXYLIC ACIDS FROM ANILIDES (HYDRAZIDES) OF 6-OXO-2-STYRYLNICOTINIC ACIDS Download Download PDF