InChI=1/C18H25N3O3/c1-3-18(22,4-2)12-19-10-14-11-20-21-17(14)13-5-6-15-16(9-13)24-8-7-23-15/h5-6,9,11,19,22H,3-4,7-8,10,12H2,1-2H3,(H,20,21)/p+1/fC18H26N3O3/h19-20H/q+1 D3E8863B726EE038