InChI=1/C15H19N3O3/c1-4-15(3)13(20)17-14(21)18(15)9-12(19)16-11-7-5-10(2)6-8-11/h5-8H,4,9H2,1-3H3,(H,16,19)(H,17,20,21)/t15-/m0/s1/f/h16-17H 29D44CB2236C0B9C