prov:value
| - Compounds which are also useful as secondary reducing agents are aldehydes, such as formaldehyde, benzaldehyde, acetaldehyde, n-butyraldehyde, polyamides, such as nylon, albumin and gelatin; leuco bases of triphenyl methane dyes, such as 4-dimethylaminotriphenylmethane, 4???,4???,4???-tri-di-methylamino-triphenylmethane; leuco bases of xanthene dyes, such as 3,6-bis dimethylamino xanthene and 3,6-
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