2,2-Bis(hydroxymethyl)-1,3-propanediyltetrakis(2-chloroethyl) phosphate 63451-45-6 Phosphoric acid, 2,2-bis(hydroxymethyl)-1,3-propanediyl tetrakis(2-chloroethyl) ester Phosphoric acid, 2,2-bis(hydroxymethyl)-1,3-propanediyltetrakis(2-chloroethyl) ester Tetrakis(2-chloroethyl)pentaerythritol diphosphate