InChI=1/C15H17N3O3/c1-9-4-6-18(7-5-9)15(21)10-2-3-11-12(8-10)17-14(20)13(19)16-11/h2-3,8-9H,4-7H2,1H3,(H,16,19)(H,17,20)/f/h16-17H 8FF194C21E315D30