52435-04-8 EINECS 257-915-5 Phosphoric acid, mono(4-nitrophenyl) ester, compd. with 2-amino-2-(hydroxymethyl)-1,3-propanediol (1:1) p-Nitrophenyl dihydrogen phosphate, compound with 2-amino-2-(hydroxymethyl)propane-1,3-diol (1:1)