InChI=1/C19H20N2O3/c1-2-6-18-17(5-1)20-19(24-18)23-16-9-7-15(8-10-16)22-14-13-21-11-3-4-12-21/h1-2,5-10H,3-4,11-14H2/p+1/fC19H21N2O3/h21H/q+1 C6AF30D8CAC9ED83