InChI=1/C17H23NO2/c1-12-5-6-16(13(2)9-12)7-8-17(19)18-10-14(3)20-15(4)11-18/h5-9,14-15H,10-11H2,1-4H3/b8-7+/t14-,15-/m1/s1 9DC74CD7E02E3E56