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4-(N,N-Diethyl)-2-methyl-p-phenylenediamine monohydrochloride

5-Amino-o-cresol

6-Amino-m-cresol

3,4-Diaminotoluene

N,N-Bis(2-hydroxyethyl)-p-phenylenediamine sulphate

4-(Methylamino)phenol hemisulfate salt

(-)-Epicatechin

1,4-Diamino-2-nitrobenzene

propylene glycol

2,5-Diaminotoluene sulfate

4-Amino-3-nitrophenol

1,5-Dihydroxy naphthalene

2-(2,4-Diaminophenoxy)ethanol dihydrochloride

2-Methylresorcinol

4-Chlororesorcinol

4-Nitro-o-phenylenediamine

N,N-Diethyl-p-phenylenediamine sulfate

(+)-α-Tocopherol

1982 1983 1984 1985 1986 1987 1988 1989 1990 1991