发明授权
US4621138A Triphendioxazine dyestuffs 失效
三苯并二恶嗪染料

Triphendioxazine dyestuffs
摘要:
Triphendioxazine dyestuffs of the formula ##STR1## having the substituent meanings specified in the descriptive part, are highly suitable for dyeing and printing hydroxyl- or amido-containing materials, in particular fibre materials, and produce wash-fast dyeings and prints.
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