InChI=1/C20H20N2O2/c1-21-13-8-9-14(21)11-15(10-13)22-19(23)16-6-2-4-12-5-3-7-17(18(12)16)20(22)24/h2-7,13-15H,8-11H2,1H3/p+1/t13-,14+,15?/fC20H21N2O2/h21H/q+1	3FE776D50D349EBC