InChI=1/C13H16N2O3/c1-8-4-5-9(2)10(6-8)14-12(16)11-7-18-13(17)15(11)3/h4-6,11H,7H2,1-3H3,(H,14,16)/t11-/m0/s1/f/h14H 0EE886EDD6EBC553