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Catsyn? 2,5-Dimethoxyterephthalohydrazide | CAS 114503-42-3?? ?? ??? ?????. ? ??? C10H14N4O4??, ???? 254.24g/mol??, ??? ????? NLT 98%???.
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1,5-Naphthalene diisocyanate
2,3-Dibromo-thiophene
Copper(I) iodide