3 5-dimethylpyrazole ir July 8, 2019 16 32 64 128 3 5 dimethylpyrazole ir spectrum 3 5 dimethylpyrazole ir 3 5-dimethylpyrazole (dmp) 3 5-dimethylpyrazole melting point 3 5-dimethylpyrazole 3 5-dimethylpyrazole solubility