IUPAC:1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-methoxy-4-sulfanylidene-1,2,3,4-tetrahydropyrimidin-2-one
IUPAC:1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-methoxy-4-sulfanylidene-1,2,3,4-tetrahydropyrimidin-2-one