Synonyms: (1,1-dioxido-2,3-dihydrothien-3-yl)acetic acid;3-thiopheneacetic acid, 2,3-dihydro-, 1,1-dioxide;(1,1-dioxido-2,3-dihydrothiophen-3-yl)acetic acid;[(3R)-1,1-dioxido-2,3-dihydrothiophen-3-yl]acetate;[(3S)-1,1-dioxido-2,3-dihydrothiophen-3-yl]acetate