InChI=1/C16H18N2O3/c1-21-14-8-4-7-13(14)18-15-11(16(19)20)9-10-5-2-3-6-12(10)17-15/h2-3,5-6,9,13-14H,4,7-8H2,1H3,(H,17,18)(H,19,20)/t13-,14-/m0/s1/f/h17-18H	1DF772669A584577