66104-32-3 67044-45-5 Acetamide, N-(4,5,6,7-tetrahydro-7-oxobenzo(b)thien-4-yl)- EINECS 266-142-2 N-(4,5,6,7-Tetrahydro-7-oxobenzo(b)-4-thienyl)acetamide N-(4,5,6,7-Tetrahydro-7-oxobenzo(b)thien-4-yl)acetamide