3369-50-4 4,5,6,7-Tetrahydro-2-o-tolyl-4-benzothiazolecarboxylic acid 4-Benzothiazolecarboxylic acid, 4,5,6,7-tetrahydro-2-o-tolyl- o-Tolyl-2 carboxy-4 tetrahydro-4,5,6,7 benzothiazole [French]