| n-hydroxy-2-methoxy-4-(phenylazo)-benzenamin monohydrochloride |
| 3-methoxy-n-hydroxy-4-aminoazobenzene hydrochloride |
| n-(2-methoxy-4-(phenylazo)phenyl)-hydroxylamin hydrochloride |
| n-hydroxy-3-methoxy-4-aminoazobenzene hydrochloride |
| n-hydroxy-2-methoxy-4-(phenylazo)-benzenaminmonohydrochloride |
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