Synonyms: Bis(4-butyl-1,2-dihydro-3-oxo-1,2-diphenyl-3H-pyrazol-5-yl) carbonate;70485-37-9;BIS[4-BUTYL-1,2-DIHYDRO-3-OXO-1,2-DIPHENYL-3H-PYRAZOL-5-YL] CARBONATE;AC1MI5RC;EINECS 274-620-7;AG-G-75172;bis(4-butyl-5-oxo-1,2-diphenylpyrazol-3-yl) carbonate;3H-Pyrazol-3-one, 5,5'-(carbonylbis(oxy))bis(4-butyl-1,2-dihydro-1,2-diphenyl-