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N.R.CHATTERJEE; D.C.SHARMA; G.R.JADHAV; B.G.CHANDAK. AN EFFICIENT AND FACILE SYNTHESIS OF SOME ETHYL -1-CARBAMOYL-4- (2 OR 4-SUBSTITUTED PHENYL)-6-METHYL-2-OXO-1, 2, 3, 4- TETRAHYDROPYRIMIDINE-5-CARBOXYLATE THROUGH ULTRASOUND ACCELERATED VILSMEIER-HAACK REACTION AND THEIR SCREENING AS ANTIPLATELET & ANTICAR. ijpbs 2010, 1, 1-8.