C99768Level 4

HC Yellow No. 4

**Semantic type:** Indicator, Reagent, or Diagnostic Aid|Organic Chemical

**Synonyms:** - 2-((2-(2-Hydroxyethoxy)-4-nitrophenyl)amino)ethanol - Colorex HCY4 - HC YELLOW NO. 4 - N,O-Di(2-hydroxyethyl)-2-amino-5-nitrophenol

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