发明授权
US4089895A 1-Amino-4-methoxybenzene-2,5-disulfonic acid 失效
1-氨基-4-甲氧基苯-2,5-二磺酸

1-Amino-4-methoxybenzene-2,5-disulfonic acid
摘要:
New azo reactive dyestuffs corresponding to the general formula ##STR1## wherein R denotes optionally substituted lower alkyl, A the radical of an optionally substituted lower alkyl, R.sub.1 hydrogen or optionally substituted lower alkyl and Z a reactive group.They are useful for dyeing and printing materials containing hydroxyl groups or amide groups.
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