InChI=1/C17H21N3O3/c1-10(2)13-9-16(20-19-13)18-17(21)11(3)12-4-5-14-15(8-12)23-7-6-22-14/h4-5,8-11H,6-7H2,1-3H3,(H2,18,19,20,21)/t11-/m0/s1/f/h18,20H	3A18C173FBBC99CB