(1,1'-Biphenyl)-4,4'-diamine, N,N'-bis(3,4-dihydro-2H-pyrrol-5-yl)-3,3'-difluoro- 105102-20-3 2,2'-((3,3'-Difluoro-4,4'-biphenylylene)dinitrilo)dipyrolidine HL 707 Liroldina [Spanish] Liroldine Liroldine [INN] Liroldinum [Latin] N,N'-Bis(3,4-dihydro-2H-pyrrol-5-yl)-3,3'-difluoro-(1,1'-biphenyl)-4,4'-diamine