InChI=1/C17H20N2O3/c1-17(2,3)12-6-8-13(9-7-12)19-15(20)11-22-14-5-4-10-18-16(14)21/h4-10H,11H2,1-3H3,(H,18,21)(H,19,20)/f/h18-19H 380A660082005536