InChI=1/C15H16N2O3/c16-8-10-2-1-3-11(6-10)9-17-15(20)13-5-4-12(18)7-14(13)19/h1-7,18-19H,8-9,16H2,(H,17,20)/p+1/fC15H17N2O3/h16-17H/q+1 F671B4544A43D78B