1 M6N 2-methyl-3~{H}-pyrido[3,4-D]pyrimidin-4-one 1.000 2 N5J 3h-pyrido[3,4-D]pyrimidin-4-one 0.917 3 MEW 2-methylquinazolin-4(3h)-one 0.846 4 NU1 8-hydroxy-2-methyl-3-hydro-quinazolin-4-one 0.786 5 JBH 3,4-dihydroquinazolin-4-ol 0.769 6 JPZ Quinazolin-4(1h)-one 0.769 7 WQG Quinazolin-4(3h)-one 0.769 8 AQO 2-aminoquinazolin-4(3h)-one 0.714 9 D1V 2-mercapto(3h)quinazolinone 0.714 10 DRL 2-methyl-3,5,7,8-tetrahydro-4h-thiopyrano[4,3-D]pyrimidin-4-one 0.714 11 JBQ 5-fluoranyl-3,4-dihydroquinazolin-4-ol 0.714 12 L3N 1~{H}-quinazoline-2,4-dione 0.714 13 M1Q 5,6,7,8-tetrahydro-4~{a}~{H}-quinazoline-2,4-dione 0.714 14 PWA 7-fluoroquinazolin-4(3h)-one 0.714 15 PWM 5-fluoroquinazolin-4(3h)-one 0.714 16 PWP 6-fluoroquinazolin-4(3h)-one 0.714 17 VFH 2-methyl-quinolin-4(1h)-one 0.714 18 YZK (3m)-3-(2-methyl-1h-imidazol-1-yl)pyridine 0.714