InChI=1/C14H18ClN3O3/c15-11-7-10(8-16-14(11)21)13(20)18-17-12(19)6-9-4-2-1-3-5-9/h7-9H,1-6H2,(H,16,21)(H,17,19)(H,18,20)/f/h16-18H 8B8BB79F2033632B