872192 DMP 3,5-dimethylpyrazole 30 2601087 dmpz 3,5-dimethylpyrazole 9 3244368 DMPZH 3,5-dimethylpyrazole 4 2098677 3,5-dmp 3,5-dimethylpyrazole 3 3215320 DMePz 3,5-dimethylpyrazole 1