Reactant for: . Click/aza-Michael or Click/oligomeric alkyl carbodiimide esterification reactions . Preparation of aminopyrazole amide derivatives as Raf kinase inhibitors in melanoma cells . Preparation of trifluoromethoxyphenyl(thiazolyl)pyrroles and other heterocycle-bearing polyfunctionalized pyrroles via chain heterocyclization Reactant for: . Click/aza-Michael or Click/oligomeric alkyl carbodiimide esterification reactions . Preparation of aminopyrazole amide derivatives as Raf kinase inhibitors in melanoma cells . Preparation of trifluoromethoxyphenyl(thiazolyl)pyrroles and other heterocycle-bearing polyfunctionalized pyrroles via chain heterocyclization