?NEW DISPERSE DYES FROM SUBSTITUTED PYRIDINES. PART-I. SYNTHESIS OF METHYL-4, 6,DmYDROXY-20xo-l-PHENYL-5-ARYLAZOPYRIDINE-3-CARBOXYLATE AND THEIR DERIVATIVES. Pakistan Journal of Scientific & Industrial Research [Internet]. 2001 Aug. 20 [cited 2026 Mar. 10];44(4):244-7. Available from: https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1935