InChI=1/C14H17N3O3/c18-12(11-6-14(11)1-3-15-4-2-14)17-10-5-9(13(19)20)7-16-8-10/h5,7-8,11,15H,1-4,6H2,(H,17,18)(H,19,20)/t11-/m0/s1/f/h15,17H 6DAD2D2753F8EF2A