2,2-二甲氧基乙腈;sodium (6E)-6-[2-(4-aminophenyl)hydrazinylidene]-5-oxo-5,6-dihydronaphthalene-1-sulfonate;Acid Brown 4;C.I. Acid Red 4, monosodium salt (8CI);Acid Red 4 (C.I.);sodium 4-hydroxy-3-(2-methoxyphenylazo)naphthalenesulphonate;Acid Red 4;(3E)-3-[(2-methoxyphenyl)hydrazono]-4-oxo-3,4-dihydronaphthalene-1-sulfonic acid;Acid Red 4;acid red 4 (C.I. 14710);R(-)-2-Amino-1-Butanol;D-2-aminobutanol;(R)-2-Amino-1-butanol;(R)-(-)-2-Amino-1-buta