1 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 1.000 2 S98 6-amino-2-[(thiophen-2-ylmethyl)amino]-1,7-dihydro-8h-imidazo[4,5-G]quinazolin-8-one 0.778 3 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 0.774 4 SAQ 2-[(thiophen-2-ylmethyl)amino]-1,7-dihydro-8h-imidazo[4,5-G]quinazolin-8-one 0.741