InChI=1/C18H18N2O/c1-12-6-5-9-17(13(12)2)20-11-14-7-3-4-8-15(14)16(10-19)18(20)21/h5-6,9,11H,3-4,7-8H2,1-2H3 3C8A4687EC7D5749