InChI=1/C19H19NO4/c1-13-10-20(11-17(24-13)14-6-3-2-4-7-14)19(21)15-8-5-9-16-18(15)23-12-22-16/h2-9,13,17H,10-12H2,1H3/t13-,17+/m0/s1 66D1CCE6594EE91F