THREE – COMPONENT REACTION OF 3 – NITRO BENZALDEHYDE, ISOPROPYL ACETOACETATE AND 1- BENZHYDRYLAZETIDIN – 3- YL - 2 AMINO – 2- IMMINOACETATE IN PRESENCE OF POTASSIUM CARBONATE: AN EFFICIENT ONE-POT SYNTHESIS OF 1, 4-DIHYDROPYRIDINE DERIVATIVE. (2012). International Research Journal of Pharmacy, 3(11), 72-73. https://irjponline.org/index.php/irjp/article/view/2930