InChI=1/C15H25N3O3/c19-14(20)9-12-3-1-2-6-18(12)15(21)16-13-10-17-7-4-11(13)5-8-17/h11-13H,1-10H2,(H,16,21)(H,19,20)/t12-,13+/m1/s1/f/h16-17H 2E8139826A2BF312