英文别名5,6-DIHYDRO-CYCLOPENTA[B]THIOPHEN-4-ONE; 5,6-dihydro-4H-cyclopenta[b]thiophen-4-one; 4H-Cyclopenta[b]thiophen-4-one, 5,6-dihydro-; 4H,5H,6H-cyclopenta[b]thiophen-4-one; 5,6-dihydro-4H-cyclopenta[b]thien-4-one; 4-oxo-4,5-dihydro-6H-cyclopenta[b]thiophene 
