InChI=1/C20H26N2O4S/c1-26-20(23)13-7-2-4-9-18(17-10-8-14-21-15-17)16-22-27(24,25)19-11-5-3-6-12-19/h3,5-6,8,10-12,14-15,18,22H,2,4,7,9,13,16H2,1H3/t18-/m0/s1 6B6A6CCD0F4BA9BC