1,3-Propanediol, 2-(hydroxymethyl)-1-methyl-2-propyl-, cyclic phosphate (1:1) 2,6,7-Trioxa-1-phosphabicyclo(2.2.2)octane, 3-methyl-4-propyl-, 1-oxide 3-Methyl-4-propyl-2,6,7-trioxa-1-phosphabicyclo(2.2.2)octane 1-oxide 82515-38-6