1,3-Propanediol, 2-(dihydroxymethyl)-, cyclic phosphorothioate (1:1) 2,6,7-Trioxa-1-phosphabicyclo(2.2.2)octane-4-methanol, 1-sulfide 4-Hydroxymethyl-2,6,7-trioxa-1-phosphabicyclo(2.2.2)octane-1-sulfide 768-87-6 BRN 0743674