InChI=1/C18H19N3O3/c1-11-9-16(14-6-4-3-5-13(11)14)20-15-8-7-12(18(22)19-2)10-17(15)21(23)24/h3-8,10-11,16,20H,9H2,1-2H3,(H,19,22)/t11-,16+/m1/s1/f/h19H EF7F3666E9903A09