InChI=1/C15H16N2O3/c1-8-2-4-12(18)10(6-8)15-16-14(17-20-15)11-7-9-3-5-13(11)19-9/h2,4,6,9,11,13,18H,3,5,7H2,1H3/t9-,11-,13+/m1/s1 E4D28C03B86FC550