InChI=1/C20H19NO6S/c1-11-5-6-14(9-12(11)2)18(22)13(3)27-20(24)15-7-8-16-17(10-15)28(25,26)21(4)19(16)23/h5-10,13H,1-4H3/t13-/m0/s1	E298851E094B1902