InChI=1/C16H18N2O3/c1-11(12-4-2-5-13(10-12)18(19)20)17-15-6-3-7-16-14(15)8-9-21-16/h2,4-5,8-11,15,17H,3,6-7H2,1H3/t11-,15-/m0/s1 FD87FC018DEDCF50