for the following products
3-(2,2,2-Trimethylhydrazine) methylpropionate bromide | 3-(2,2,2-Trimethylhydrazine)methylpropionate bromide | Hydrazinium, 2-(3-methoxy-3-oxopropyl)-1,1,1-trimethyl-bromide (1:1) and 3-(2,2,2-Trimethylhydrazinyl)-propanoic acid methyl ester bromide
