InChI=1S/C21H29ClO5/c1-3-4-5-6-9-12-15-20(25)16(18(24)21(22)19(20)27-21)13-10-7-8-11-14-17(23)26-2/h7,9-10,12-13,19,25H,3-6,8,11,14-15H2,1-2H3/b10-7-,12-9-,16-13-/t19-,20-,21+/m0/s1