InChI=1/C23H20ClNO4/c1-28-23(27)21-19(15-9-5-6-10-16(15)24)20-17(26)11-14(12-18(20)29-22(21)25)13-7-3-2-4-8-13/h2-10,14,19H,11-12,25H2,1H3/t14-,19-/m0/s1 DBEF98C7FA951BE3