Trinatrium-5-[(3-carboxylato-5-methyl-4-oxo-2,5-cyclohexadien-1-yliden)(2,6-dichlor-3-sulfonatophenyl)methyl]-2-hydroxy-3-methylbenzoat Benzophenon-3,3':4,4'-tetracarbonsaeuredianhydrid Trinatrium-hydrogen-3,3'-(3H-2,1-benzoxathiol-3-yliden)bis[6-oxido-5-methylbenzoat-S,S-dioxid 5,5'-(3-Carboxy-4-oxocyclohexa-2,5-dienylidenmethylen)disalicylsure 5-Acetylsalicylsure 9-Oxofluoren-4-carbonsure 3,5-Diisopropylsalicylsure Dinatrium-4-[(3-carboxylato-4-hydroxy-1-naphthyl)phenylmethylen]-1,4-dihydro-1-oxo-2-naphthoat 9-Oxofluoren-2-carbonsure Pyrviniumembonat 9,10-Dihydro-4,5-dihydroxy-9,10-dioxoanthracen-2-carbonsure 3,5-bis-tert-butyl-4-hydroxybenzoesure Ethyl-5-acetyl-2-benzyloxybenzoat