NC110854
Ethyl 4-nitro-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-pyrazole-5-carboxylate
55864-85-2
NC110857
Ethyl 4-nitro-1-(2,3,5-tri-O-acetyl-α-D-ribofuranosyl)-1H-pyrazole-3-carboxylate
55864-82-9
