InChI=1/C18H18N2O3/c1-18-11-14(12-7-3-2-4-8-12)16(20(21)22)17(23-18)13-9-5-6-10-15(13)19-18/h2-10,14,16-17,19H,11H2,1H3/t14-,16-,17-,18-/m1/s1 75FED9BAD8DB78F7