InChI=1/C20H24N2O5S/c1-2-3-12-27-17-8-10-18(11-9-17)28(25,26)22-14-16-7-5-4-6-15(16)13-19(22)20(23)21-24/h4-11,19,24H,2-3,12-14H2,1H3,(H,21,23)/t19-/m1/s1/f/h21H 54643ACE59C27A53