30868-30-5 4-Hydroxy-3-.beta.-D-ribofuranosyl-1H-pyrazole-5-carboxamide 5-(3,4-Dihydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-4-hydroxy-5H-pyrazole-3-carboxylic acid, amide AIDS-007223 AIDS007223 NSC143095 PZF Pyrazofurin Pyrazomycin