126990-93-0 3-(5-Cyclopropyl-1,2,4-oxadiazol-3-yl)-5-((4-methoxyphenyl)methyl)imidazo(1,5-a)quinoxalin-4(5H)-one Imidazo(1,5-a)quinoxalin-4(5H)-one, 3-(5-cyclopropyl-1,2,4-oxadiazol-3-yl)-5-((4-methoxyphenyl)methyl)- U 82217 U-82217