InChI=1/C15H17N3O3/c1-3-11-8-13(15(19)17-10(11)2)16-9-12-6-4-5-7-14(12)18(20)21/h4-8,16H,3,9H2,1-2H3,(H,17,19)/f/h17H 9D2965FA61E18C91