2-Thiophenecarboxamide, N-(2-oxotetrahydro-3-furyl)- 2-Thiophenecarboxamide, N-(tetrahydro-2-oxo-3-furanyl)- 77694-38-3 BRN 5532746 N-(2-Oxotetrahydro-3-furyl)-2-thiophenecarboxamide