InChI=1/C21H28ClNO4/c1-4-26-19(24)18-16-11-7-14(8-12-17(16)18)23-20(25)21(2,3)27-15-9-5-13(22)6-10-15/h5-6,9-10,14,16-18H,4,7-8,11-12H2,1-3H3,(H,23,25)/t14?,16-,17+,18?/f/h23H 7D67876357B5B026