114991-34-3 2-Propenamide, N-(1-(hydroxymethyl)-2-(((pentylthio)methyl)sulfinyl)ethyl)-3-(1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl)-, (R-(R*,S*-(E)))- n-PSm n-Pentylsparsomycin