2-({5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1,3-oxazol-4-yl}formamido)pent-4-enoic acid

(E)-N-(3-(4-butylphenyl)-5,5-dioxidotetrahydrothieno[3,4-d]thiazol-2(3H)-ylidene)propionamide

(E)-4-((3-(4-butylphenyl)-5,5-dioxidotetrahydrothieno[3,4-d]thiazol-2(3H)-ylidene)amino)-4-oxobutanoic acid

(E)-5-((3-(4-butylphenyl)-5,5-dioxidotetrahydrothieno[3,4-d]thiazol-2(3H)-ylidene)amino)-5-oxopentanoic acid

N-[(2Z)-3-(4-bromo-2,6-dimethylphenyl)-5,5-dioxidotetrahydrothieno[3,4-d][1,3]thiazol-2(3H)-ylidene]acetamide

(E)-N-(3-(2,5-dimethoxyphenyl)-5,5-dioxidotetrahydrothieno[3,4-d]thiazol-2(3H)-ylidene)acetamide

(E)-5-((3-(2,5-dimethoxyphenyl)-5,5-dioxidotetrahydrothieno[3,4-d]thiazol-2(3H)-ylidene)amino)-5-oxopentanoic acid

(Z)-N-(3-(4-bromo-3-methylphenyl)-5,5-dioxidotetrahydrothieno[3,4-d]thiazol-2(3H)-ylidene)hexanamide

4-{[(2Z)-3-(4-bromo-3-methylphenyl)-5,5-dioxidotetrahydrothieno[3,4-d][1,3]thiazol-2(3H)-ylidene]amino}-4-oxobutanoic acid

N-[(2Z)-3-(3-bromo-4,5-diethoxyphenyl)-5,5-dioxidotetrahydrothieno[3,4-d][1,3]thiazol-2(3H)-ylidene]acetamide

5-{[(2Z)-3-(3-chloro-4-fluorophenyl)-5,5-dioxidotetrahydrothieno[3,4-d][1,3]thiazol-2(3H)-ylidene]amino}-5-oxopentanoic acid