InChI=1/C20H27ClN2O4/c21-15-7-9-16(10-8-15)22-19(26)17-5-1-2-6-18(17)20(27)23(11-3-13-24)12-4-14-25/h1-2,7-10,17-18,24-25H,3-6,11-14H2,(H,22,26)/t17-,18+/m0/s1/f/h22H 9DA11E7B9C57CAFA