InChI=1/C18H22N2O3/c1-12-6-7-13(2)14(10-12)15(21)11-20-16(22)18(19-17(20)23)8-4-3-5-9-18/h6-7,10H,3-5,8-9,11H2,1-2H3,(H,19,23)/f/h19H 386DF617BE9C4ACF