InChI=1/C19H23ClN2O4/c1-12(19(26)14-3-6-16(23)7-4-14)21-9-8-13-2-5-15(10-17(13)20)22-11-18(24)25/h2-7,10,12,19,21-23,26H,8-9,11H2,1H3,(H,24,25)/t12-,19-/m0/s1/f/h21H 5A22A8B18F94ED37