InChI=1/C18H21N3O3/c1-3-21(4-2)13-16-8-9-17(24-16)18(22)20-14-6-5-7-15(12-14)23-11-10-19/h5-9,12H,3-4,11,13H2,1-2H3,(H,20,22)/p+1/fC18H22N3O3/h20-21H/q+1 E51BC376C65BB358