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Home › 1-hexyl-1H-pyrazole-4,5-diamine hemisulfate, and its use in dyeing compositions

1-hexyl-1H-pyrazole-4,5-diamine hemisulfate, and its use in dyeing compositions

US Patent 9060953 · Granted Jun 23, 2015

Estimated economic value: $84,716,000 ⓘ

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