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pro vyhledávání: '"Thiadiazacycloheptatriene Dicarboxylic Acid"'
Publikováno v:
IndraStra Global.
Novel polyamides containing 2,3,6,7-dibenzo-1-thia-4,5-diazacyclohepta-2,4,6-triene-4?, 4?-dicarboxy-1,1-dioxide (VII) are reported. The acid VII was prepared in several steps from p-chlorobenzoic acid and characterized by spectral data and elemental