N-formyl-N'-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)diaminomaleonitrile

2,3,5-tri-O-benzoyl-β-D-ribofuranosyl bromide

N-((Z)-2-amino-1,2-dicyanoethenyl)formamide

1,2,3,5-tetra-O-benzoyl-β-D-ribofuranose

4,5-二氰基咪唑