1 C95 4-{5-[(z)-(2-imino-4-oxo-1,3-thiazolidin-5-ylidene)methyl]furan-2-yl}benzoic acid 1.000 2 C85 4-{5-[(z)-(2-imino-4-oxo-1,3-thiazolidin-5-ylidene)methyl]furan-2-yl}benzenesulfonamide 0.731 3 C75 4-{5-[(z)-(2-imino-4-oxo-1,3-thiazolidin-5-ylidene)methyl]-2-furyl}-N-methylbenzenesulfonamide 0.704 4 C96 4-{5-[(1z)-1-(2-imino-4-oxo-1,3-thiazolidin-5-ylidene)ethyl]-2-furyl}benzenesulfonamide 0.704