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2-{[6-Chloro-3-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl]methyl}-4-fluorobenzonitrile
2-{[6-Chloro-3-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl]methyl}-4-fluorobenzonitrile (4) white solid . Mp: 193–195 °C. 1H NMR (400 MHz, CDCl3) δ (ppm): 7.74–7.76(m, 1H), 7.14–7.17 (m, 1H), 6.…