InChI=1/C21H28ClNO4S/c1-20(2,27-17-6-4-5-16(22)9-17)19(24)23-18-14-7-13-8-15(18)12-21(10-13,11-14)28(3,25)26/h4-6,9,13-15,18H,7-8,10-12H2,1-3H3,(H,23,24)/t13?,14-,15+,18?,21?/f/h23H 4B8294EA0C80A408