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uv light stabilized compositions containing 1.5 - diazacicloalcani and 2 - keto - 1.5 - diazacicloalcani replaced as new compounds and synthesis of these compounds.
uv light stabilized compositions containing 1.5 - diazacicloalcani and 2 - keto - 1.5 - diazacicloalcani replaced as new compounds and synthesis of these compounds.