InChI=1/C20H31NO4S/c1-19(2,3)16-12-14(13-17(18(16)23)20(4,5)6)11-15-7-8-21(9-10-22)26(15,24)25/h11-13,22-23H,7-10H2,1-6H3/b15-11+ 3B81A8FC39063B4A