InChI=1/C18H19N3O3/c19-18(22)14-7-5-13(6-8-14)11-20(16-9-10-16)12-15-3-1-2-4-17(15)21(23)24/h1-8,16H,9-12H2,(H2,19,22)/f/h19H2 B2B81ED654D1EF82