1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, 1,3,5-trimethyl- 1,3,5-Trimethyl-2,4,6-trioxohexahydrotriazine 827-16-7 Isocyanuric acid, trimethyl ester METHYL ISOCYANATE TRIMER NSC9322 Trimethyl isocyanurate s-Triazine-2,4,6(1H,3H,5H)-trione, 1,3,5-trimethyl-