InChI=1/C20H28N2O5S/c1-4-26-17-7-5-6-8-18(17)27-12-11-22-15(2)13-16-9-10-19(25-3)20(14-16)28(21,23)24/h5-10,14-15,22H,4,11-13H2,1-3H3,(H2,21,23,24)/p+1/t15-/m1/s1/fC20H29N2O5S/h22H,21H2/q+1 B76284C32E67B19A