1,1-dichloro-2,2-difluoroethylene
1,2,2,6,6-Pentamethylpiperidine
1,1,3,3-Tetramethylguanidine
1,3-Dimethyl-2-imidazolidinone
1,5-Naphthalenedisulfonic Acid
1,4-Diamino-2,3-dichloroanthraquinone
1-hydroxy-4-(p-toluidino)anthraquinone
1-amino-2,4-dibromoanthraquinone
1,8-Dihydroxy-4,5-dinitroanthraquinone
1,4,5,8-tetrachloroanthraquinone
1,2,5,8-tetrahydroxyanthraquinone
1-Amino-4-bromo anthraquinone
1,4-Dihydroxyanthraquinone
1-(methylamino)anthraquinone
1,8-dichloroanthraquinone
1,5-Dichloroanthraquinone
1-naphthol-8-sulf. acid sultone
1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene acetaldehyde
1-Naphthylamine-4-sulfonic acid;4-Amino-1-naphthalenesulfonic acid
1-Aminonaphtalene-5-sulfonic acid