InChI=1/C20H30N2O7S/c1-5-7-9-22(15-8-10-30(26,27)12-15)16(23)11-29-19(24)17-13(3)18(21-14(17)4)20(25)28-6-2/h15,21H,5-12H2,1-4H3/t15-/m0/s1 35DBBF72BF888D81