has_part has part has role 3,4-dimethyl-1H-pyrazole phosphate 3,4-DMPP 3,4-dimethyl-1H-pyrazole monophosphate 3,4-dimethyl-1H-pyrazole phosphate 3,4-dimethylpyrazole phosphate A phosphate salt obtained by reacting 3,4-dimethyl-1H-pyrazole with one equivalent of phosphoric acid. It is a nitrification inhibitor and when used on crops, it prevents nitrogen loss from soil, increases nitrogen use efficiency, and boosts crop yields. DMPP Entec nitrification inhibitor 3,4-dimethyl-1H-pyrazole phosphate salt