Synonyms: Bicyclo[4.4.1]undeca-1,3,5,7,9-pentaene-2-sulfonyl chloride, 11,11-difluoro-;88635-78-3;Bicyclo(4.4.1)undeca-1,3,5,7,9-pentaene-2-sulfonyl chloride, 11,11-difluoro-;AC1L3QOR;9,9-Difluoro-1,6-methano[10]annulene-1-sulfonyl chloride;11,11-difluorobicyclo[4.4.1]undeca-1(10),2,4,6,8-pentaene-2-sulfonyl chloride;11,11-difluorobicyclo[4.4.1]undeca-1,3,5,7,9-pentaene-7-sulfonyl chloride