Girard’s Reagent P-d5

1-(Carboxymethyl)pyridinium-d6 Chloride Hydrazide; 1-(2-Hydrazino-2-oxoethyl)pyridinium-d5 Chloride; Girard-P Reagent-d5; Girard’s P Reagent-d5; (Pyridinio-d5)acetohydrazide Chloride;