1 MAQ 2-amino-8-methylquinazolin-4(3h)-one 1.000 2 AQO 2-aminoquinazolin-4(3h)-one 0.923 3 DQU 2,6-diamino-3h-quinazolin-4-one 0.857 4 JBH 3,4-dihydroquinazolin-4-ol 0.846 5 JPZ Quinazolin-4(1h)-one 0.846 6 WQG Quinazolin-4(3h)-one 0.846 7 D1V 2-mercapto(3h)quinazolinone 0.786 8 DHQ 3,4-dihydro-5-methyl-isoquinolinone 0.786 9 JBQ 5-fluoranyl-3,4-dihydroquinazolin-4-ol 0.786 10 KUF 7-methyl-2h-isoquinolin-1-one 0.786 11 L3N 1~{H}-quinazoline-2,4-dione 0.786 12 M1Q 5,6,7,8-tetrahydro-4~{a}~{H}-quinazoline-2,4-dione 0.786 13 MEW 2-methylquinazolin-4(3h)-one 0.786 14 PWA 7-fluoroquinazolin-4(3h)-one 0.786 15 PWM 5-fluoroquinazolin-4(3h)-one 0.786 16 PWP 6-fluoroquinazolin-4(3h)-one 0.786 17 Q24 Quinazoline-2,4-diamine 0.786 18 T0A 5-deazatetrahydropterin 0.786 19 QUZ Quinazoline 0.769 20 344 6-amino-3,7-dihydro-imidazo[4,5-G]quinazolin-8-one 0.750 21 6ME (6s)-6-methyl-5,6,7,8-tetrahydroquinazoline-2,4-diamine 0.733 22 7JL 6-bromanyl-8-oxidanyl-3~{H}-quinazolin-4-one 0.733 23 7ME (7s)-7-methyl-5,6,7,8-tetrahydroquinazoline-2,4-diamine 0.733 24 NU1 8-hydroxy-2-methyl-3-hydro-quinazolin-4-one 0.733 25 TAQ 2,4,6-triaminoquinazoline 0.733 26 APQ 2,6-diamino-8-propylsulfanylmethyl-3h-quinazoline-4-one 0.722 27 1LQ Quinazolin-4-amine 0.714 28 2AQ Quinolin-2-amine 0.714 29 4RW (4as,8ar)-4a,5,6,7,8,8a-hexahydro-4h-3,1-benzothiazin-2-amine 0.714 30 4YS Isoquinolin-1(2h)-one 0.714 31 7DG 7-deazaguanine 0.714 32 9DG 9-deazaguanine 0.714 33 ES1 Quinolin-4-ol 0.714 34 JOZ 3,4-dihydroisoquinolin-1(2h)-one 0.714 35 N5J 3h-pyrido[3,4-D]pyrimidin-4-one 0.714 36 QY8 2-amino-3h,4h,7h-pyrrolo[2,3-D]pyrimidin-4-one 0.714 37 WLX Isoquinolin-3-amine 0.714 38 ZS7 3-amino-1h-isoindol-1-one 0.714 39 BGU 2,6-diamino-1,7-dihydro-8h-imidazo[4,5-G]quinazolin-8-one 0.706 40 S60 6-amino-2-methyl-1,7-dihydro-8h-imidazo[4,5-G]quinazolin-8-one 0.706