54420-06-3 Butanal, 2,3,4-tris(acetyloxy)-, 1-((4-nitrophenyl)hydrazone), (R-(R*,R*))- D-ERYTHROSE, TRI-O-ACETYL-, p-NITROPHENYLHYDRAZINE Tri-O-acetyl-D-erythrose-p-nitrophenylhydrazine