InChI=1/C15H17N3O3/c16-9-12-2-1-7-18(12)14(19)13(17)8-10-3-5-11(6-4-10)15(20)21/h3-6,12-13H,1-2,7-8,17H2,(H,20,21)/t12-,13-/m0/s1/f/h17H 2B5760EBA056D144