InChI=1/C18H20N2O3/c21-17(9-5-4-8-14-6-2-1-3-7-14)19-16-12-10-15(11-13-16)18(22)20-23/h1-3,6-7,10-13,23H,4-5,8-9H2,(H,19,21)(H,20,22)/f/h19-20H	33F3C694841E9653