InChI=1/C14H15N3O2/c1-8-9(2)19-13-11(8)4-3-5-12(13)14(18)17-10-6-15-16-7-10/h3-9H,1-2H3,(H,15,16)(H,17,18)/t8-,9-/m1/s1/f/h15,17H 8A0B4F115B447968