InChI=1/C14H19N3O3/c1-10-5-3-4-6-12(10)13(18)15-16-14(19)17-7-8-20-11(2)9-17/h3-6,11H,7-9H2,1-2H3,(H,15,18)(H,16,19)/t11-/m0/s1/f/h15-16H 8A9865C932EE3F19