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PROCESS FOR PREPARING N-TRITYL-4,5,6,7-TETRAHYDROBENZIMIDAZOLE, N-TRITYL-4,5,6,7-TETRAHYDROINDAZOLE AND N-TRITYL-4,5,6,7-TETRAHYDROBENZOTRIAZOLE
PROCESS FOR PREPARING N-TRITYL-4,5,6,7-TETRAHYDROBENZIMIDAZOLE, N-TRITYL-4,5,6,7-TETRAHYDROINDAZOLE AND N-TRITYL-4,5,6,7-TETRAHYDROBENZOTRIAZOLE