InChI=1/C16H18N2O2/c1-12-10-17-14(13-6-3-2-4-7-13)11-18(12)16(19)15-8-5-9-20-15/h2-9,12,14,17H,10-11H2,1H3/t12-,14+/m1/s1 2C5B8717D43E4D0D