InChI=1/C20H21NO6S/c1-2-26-20(25)17-13-8-4-6-10-15(13)28-18(17)21-16(23)11-27-19(24)12-7-3-5-9-14(12)22/h3,5,7,9,22H,2,4,6,8,10-11H2,1H3,(H,21,23)/f/h21H 01791BCC1E405E7C