InChI=1/C18H19N3O3/c22-18(23)15-4-1-3-14(11-15)17-6-5-16(24-17)12-19-7-2-9-21-10-8-20-13-21/h1,3-6,8,10-11,13,19H,2,7,9,12H2,(H,22,23)/p+1/fC18H20N3O3/h19-20H/q+1 D37F7E58ECB097C5