1	6MQ	Methyl 5-[(6-amino-8-oxo-7,8-dihydro-3h-imidazo[4,5-G]quinazolin-2-yl)amino]-5-deoxy-2,3-O-(1-methylethylidene)-beta-D-ribofuranoside	1.000
2	E4E	6-azanyl-2-[[(2~{R},3~{S},4~{R},5~{R})-5-methoxy-3,4-bis(oxidanyl)oxolan-2-yl]methylamino]-3,7-dihydroimidazo[4,5-G]quinazolin-8-one	0.774
3	6MM	6-amino-2-({[(3a'R,4s,6'R,6a'R)-2,2,2',2'-tetramethyldihydro-3a'H-spiro[1,3-dioxolane-4,4'-furo[3,4-D][1,3]dioxol]-6'-yl]methyl}amino)-1,7-dihydro-8h-imidazo[4,5-G]quinazolin-8-one (non-preferred name)	0.771
4	S98	6-amino-2-[(thiophen-2-ylmethyl)amino]-1,7-dihydro-8h-imidazo[4,5-G]quinazolin-8-one	0.700