(Phosphinicobis(iminotrimethylene))bis(benzyldimethylammonium bromide) p-nitrophenyl ester 21078-16-0 AMMONIUM, (PHOSPHINICOBIS(IMINOTRIMETHYLENE))BIS(BENZYLDIMETHYL-, DIBROMIDE, p-N Ammonium, (phosphinicobis(iminotrimethylene))bis(benzyldimethyl-, dibromide, p-nitrophenyl ester H.C. 9010