SEARCH Articles Figures Tables Benzothiazole Benzothiazole 2-amino-, cyclization Benzothiazole 2-amino-4-nitro Benzothiazole, 1-amino-5-methyl Benzothiazole, 2-amino-, condensation with Benzothiazole, I-amino-5-methyl Benzothiazoles Benzothiazoles, amino Benzothiazoles, amino