5,6-二氢-6-甲基-4-氧代-4H-噻吩并[2,3-B]噻喃-2-磺酰氯
5,6-二氢-6-甲基-4-氧代-4H-噻吩并[2,3-B]噻喃-2-磺酰氯
6-methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonyl chloride
6-methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonyl chloride;5,6-Dihydro-6-methyl-4-oxo-4H-thieno[2,3-b]thiopyran-2-sulfonyl chloride