4-(4-carboxy-2,3,5,6-tetrafluorophenyl)sulfonyl-2,3,5,6-tetrafluorobenzoic acid

間乙烯[苯]酚

1,3-bis(3-methylphenyl)thiourea

5-nitropyridine-3-sulfonic acid

N-butyl-3-methyl-1,2,4-thiadiazol-5-amine