InChI=1/C14H18N2O2/c1-10-3-6-14(9-15,7-4-10)16-13(17)12-11(2)5-8-18-12/h5,8,10H,3-4,6-7H2,1-2H3,(H,16,17)/f/h16H 01310D6D08A6D64A