InChI=1/C19H19NO4/c1-12-5-3-4-6-15(12)20-18(21)23-13-7-8-16-14(11-13)19(2)9-10-22-17(19)24-16/h3-8,11,17H,9-10H2,1-2H3,(H,20,21)/t17-,19+/m1/s1/f/h20H BCBD6685077AF00F