InChI=1S/C19H28ClNO7/c1-9(21-19(2,3)4)15(10-6-5-7-11(20)8-10)27-18-14(24)12(22)13(23)16(28-18)17(25)26/h5-9,12-16,18,21-24H,1-4H3,(H,25,26)/t9-,12-,13-,14+,15-,16-,18?/m0/s1