InChI=1/C17H17NO3/c1-21-12-7-8-13(16(19)9-12)17(20)18-15-10-14(15)11-5-3-2-4-6-11/h2-9,14-15,19H,10H2,1H3,(H,18,20)/t14-,15-/m0/s1/f/h18H FC424E596F3EAD85