1 H8A 3-{[(3r)-7,9-diamino-3-methyl-2,3-dihydrofuro[2,3-f]quinazolin-4-yl]oxy}benzonitrile 1.000 2 H9G (3r)-3-methyl-4-[3-(1h-tetrazol-5-yl)phenoxy]-2,3-dihydrofuro[2,3-f]quinazoline-7,9-diamine 0.767