thauj khoom

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Direct Liab 224

7-Amino-4-hydroxynaphthalene-2-sulfonic acid thiab 2,4,6-Trichloro-1,3,5-triazine condensation, dua nrog diazo muaj 2-Amino-5-methoxybenzenesulfonic acid coupling, thiab ces 2-(2- Hydroxyethylamine) ethanol ua.

Muaj:
Nug

Specification

Tiv tauj peb
TSEV