InChI=1/C13H16N2O3/c1-3-18-10-6-4-9(5-7-10)13(2)8-11(16)14-12(17)15-13/h4-7H,3,8H2,1-2H3,(H2,14,15,16,17)/t13-/m1/s1/f/h14-15H 787B7B1FDCAA12BF