| 英文名称: | | 2-pyrazoline-3-carboxylic acid, 5-oxo-4-((4-sulfo-1-naphthyl)azo)-1-(p-sulfophe | | nyl)-, 2-ethyl ester, disodium salt | | 1-(4-sulfophenyl)-3-ethylcarboxy-4-(4-sulfonaphthylazo)-5-hydroxypyrazole dis | | c.i. acid orange 137 | | ethyl 5-oxo-4-(4-sulfonaphthylazo)-1-(p-sulfophenyl)-2-pyrazoline-3-carboxyla | | te disodium salt | | orange b | | 2-pyrazoline-3-carboxylic acid,5-oxo-4-((4-sulfo-1-naphthyl)azo)-1-(p-sulfophenyl)-, 2-ethyl ester,disodium salt |
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