5-furfurylidene-3-(1-methyl-2-phenyl-ethyl)-2-thioxo-thiazolidin-4-one
1-methyl-3-[3-(1-methyl-2-phenyl-ethyl)-4-oxo-2-thioxo-thiazolidin-5-ylidene]-1,3-dihydro-indol-2-one
3-[3-(1-methyl-2-phenyl-ethyl)-4-oxo-2-thioxo-thiazolidin-5-ylidene]-1,3-dihydro-indol-2-one
3-(1-methyl-2-phenyl-ethyl)-5-(3-nitro-benzylidene)-2-thioxo-thiazolidin-4-one
3-(1-methyl-2-phenyl-ethyl)-5-(4-nitro-benzylidene)-2-thioxo-thiazolidin-4-one