InChI=1/C16H18N2O4/c1-2-3-8-22-12-6-4-11(5-7-12)9-16(15(17)20)10-13(16)14(19)18-21/h4-7,13,21H,8-10H2,1H3,(H2,17,20)(H,18,19)/t13-,16+/m1/s1/f/h18H,17H2	B2625F990015D1BA