1-(Trifluoromethyl)-1,2-hydrazinedicarboxylic Acid 1,2-Bis(1,1-dimethylethyl) Ester is an intermediate in synthesizing (Trifluoromethyl)hydrazine Hydrochloride (T791570). It is a derivative of Di-tert-butyl Azodicarboxylate (D427950); a reagent used in the preparation of acyl hydrazinedicarboxylates via photoorganocatalytic hydroacylation of dialkyl azodicarboxylates with aldehydes in presence of phenylglyoxylic acid as photocatalyst.