1404-64-4 2-Propenamide, N-[1-(hydroxymethyl)-2-[[(methylthio)methyl]sulfinyl]ethyl]-3-(1,2,3,4-tetrahydro-6-methyl-2,4-dioxo-5-pyrimidinyl)-, (S-(E))- 2-Propenamide, N-[1-(hydroxymethyl)-2-[[(methylthio)methyl]sulfinyl]ethyl]-3-(1,2,3,4-tetrahydro-6-methyl-2,4-dioxo-5-pyrimidinyl)-, [R-[R*,S*-(E)]]- 2-Propenamide,