InChI=1/C17H21N3O3/c1-10-5-4-6-13(11(10)2)18-14(21)9-20-15(22)17(3,12-7-8-12)19-16(20)23/h4-6,12H,7-9H2,1-3H3,(H,18,21)(H,19,23)/t17-/m1/s1/f/h18-19H 3ACCA626C5C6DFFF