1 DQU 2,6-diamino-3h-quinazolin-4-one 1.000 2 AQO 2-aminoquinazolin-4(3h)-one 0.923 3 MAQ 2-amino-8-methylquinazolin-4(3h)-one 0.857 4 TAQ 2,4,6-triaminoquinazoline 0.857 5 JBH 3,4-dihydroquinazolin-4-ol 0.846 6 JPZ Quinazolin-4(1h)-one 0.846 7 W6T Quinazolin-2-amine 0.846 8 WQG Quinazolin-4(3h)-one 0.846 9 CLZ 5-chloryl-2,4,6-quinazolinetriamine 0.800 10 32X 5-aminoisoquinolin-1(4h)-one 0.786 11 D1V 2-mercapto(3h)quinazolinone 0.786 12 JBQ 5-fluoranyl-3,4-dihydroquinazolin-4-ol 0.786 13 L3N 1~{H}-quinazoline-2,4-dione 0.786 14 M1Q 5,6,7,8-tetrahydro-4~{a}~{H}-quinazoline-2,4-dione 0.786 15 MEW 2-methylquinazolin-4(3h)-one 0.786 16 PWA 7-fluoroquinazolin-4(3h)-one 0.786 17 PWM 5-fluoroquinazolin-4(3h)-one 0.786 18 PWP 6-fluoroquinazolin-4(3h)-one 0.786 19 Q24 Quinazoline-2,4-diamine 0.786 20 T0A 5-deazatetrahydropterin 0.786 21 WXC 2-azanyl-7,8-dihydro-6~{H}-quinazolin-5-one 0.786 22 QUZ Quinazoline 0.769 23 344 6-amino-3,7-dihydro-imidazo[4,5-G]quinazolin-8-one 0.750 24 6ME (6s)-6-methyl-5,6,7,8-tetrahydroquinazoline-2,4-diamine 0.733 25 7JL 6-bromanyl-8-oxidanyl-3~{H}-quinazolin-4-one 0.733 26 7ME (7s)-7-methyl-5,6,7,8-tetrahydroquinazoline-2,4-diamine 0.733 27 G1O 5-amino-4-methylisoquinolin-1(2h)-one 0.733 28 NU1 8-hydroxy-2-methyl-3-hydro-quinazolin-4-one 0.733 29 OTW 4-methylquinoline-2,6-diamine 0.733 30 APQ 2,6-diamino-8-propylsulfanylmethyl-3h-quinazoline-4-one 0.722 31 1LQ Quinazolin-4-amine 0.714 32 24W 1,2,3,4-tetrahydroisoquinolin-5-amine 0.714 33 2AQ Quinolin-2-amine 0.714 34 4RW (4as,8ar)-4a,5,6,7,8,8a-hexahydro-4h-3,1-benzothiazin-2-amine 0.714 35 4YS Isoquinolin-1(2h)-one 0.714 36 5IQ Isoquinolin-5-amine 0.714 37 7DG 7-deazaguanine 0.714 38 9DG 9-deazaguanine 0.714 39 ES1 Quinolin-4-ol 0.714 40 ES5 Quinolin-6-amine 0.714 41 JOZ 3,4-dihydroisoquinolin-1(2h)-one 0.714 42 N5J 3h-pyrido[3,4-D]pyrimidin-4-one 0.714 43 QY8 2-amino-3h,4h,7h-pyrrolo[2,3-D]pyrimidin-4-one 0.714 44 WLX Isoquinolin-3-amine 0.714 45 ZS7 3-amino-1h-isoindol-1-one 0.714 46 BGU 2,6-diamino-1,7-dihydro-8h-imidazo[4,5-G]quinazolin-8-one 0.706 47 S60 6-amino-2-methyl-1,7-dihydro-8h-imidazo[4,5-G]quinazolin-8-one 0.706