4-[5-(di-tert-Butylphosphanyl)-1H-pyrazol-1-yl]-1,3,5-triphenyl-1H-pyrazole

5-[di(tert-butyl)phosphino]-1',3',5'-triphenyl-1'h-[1,4']bipyrazolyl ; 95% t-bu-bippyphos ; 5-(di-tert-butylphosphino)-1', 3', 5'-triphenyl-1'h-[1,4']bipyrazole 97% ; 5-(di-tert-butylphosphino)-1', 3', 5'-triphenyl-1'h-[1,4']bipyrazole ; 5-[bis(tert-butyl)phosphino]-1',3',5'-triphenyl-1,4'-bi-1h-pyrazole ; 5-(di-t-butylphosphino)-1-(1,3,5-triphenyl-1h-pyrazol-4-yl)-1h-pyrazole, 98% (bippyphos) ; 5-(di-t-butylphosphino)-1',3',5'-triphenyl-1,4'-bi-1h-pyrazole, min. 95% t-bu-bippyphos ; 5-(di-t-butylphosphino)-1',3',5'-triphenyl-1,4'-bi-1h-pyrazole ; bippyphos