InChI=1/C21H22N2O6S/c1-29-13-15-3-2-10-23(15)30(27,28)17-8-9-19-18(11-17)20(25)21(26)22(19)12-14-4-6-16(24)7-5-14/h4-9,11,15,24H,2-3,10,12-13H2,1H3/t15-/m0/s1 7359480539088A4B