英文别名
6.7-Dimethyl-4-thia-bicyclo<3.2.0>Δ2-hepten-dicarbonsaeure-(6.7)-anhydrid;6,7-Dimethyl-4-thia-bicyclo<3.2.0>hept-2-en-dicarbonsaeure-(6,7)-anhydrid;3b,6a-Dimethyl-3a,3b,6a,6b-tetrahydrothieno[2',3':3,4]cyclobuta[1,2-c]furan-4,6-dione;1,7-dimethyl-9-oxa-3-thiatricyclo[5.3.0.02,6]dec-4-ene-8,10-dione