1,1'-((2,3,5,6-tetramethyl-1,4-phenylene)bis(methylene))bis(3,5-dimethyl-1H-pyrazole)

1,1'-((2,3,5,6-tetramethyl-1,4-phenylene)bis(methylene))bis(3,5-dimethyl-1H-pyrazole) · CAS 172606-24-5