1 GIO Cyclo-(glycine-L-proline) inhibitor 1.000 2 U8N 4-oxidanyl-2~{H}-isoquinolin-1-one 0.769 3 9HX 9-deazahypoxanthine 0.750 4 A1EBP (3~{S},8~{a}~{S})-3-(2-methylpropyl)-2,3,6,7,8,8~{a}-hexahydropyrrolo[1,2-a]pyrazine-1,4-dione 0.733 5 RXA Isoquinoline-1,3,4(2h)-trione 0.714