2(2-(Dodecyloxy)ethoxy)ethyl-2-pyridioethyl phosphate 2-(2-(Dodecyloxy)ethoxy)ethyl 2-pyridinoethyl phosphate 81051-35-6 DEPEP Pyridinium, 1-(4-hydroxy-3,5,8,11-tetraoxa-4-phosphatricos-1-yl)-, hydroxide, inner salt, P-oxide ST 029