1,3-Propanediol, 2-(hydroxymethyl)-2-isobutyl-, cyclic phosphate (1:1) 2,6,7-Trioxa-1-phosphabicyclo(2.2.2)octane, 4-(2-methylpropyl)-, 1-oxide 4-(2-Methylpropyl)-2,6,7-trioxa-1-phosphabicyclo(2.2.2)octane 1-oxide 61481-17-2