| 摘要 |
<p>1. An azo compound of the formula I see diagramm : EP0014677,P12,F1 wherein X is one or more of the radicals (CH2 . NR . CO(CH2 )n A) and/or (SO2 NH(CH2 )n A), R is hydrogen or an alkyl group of 1 to 4 carbon atoms, A is a non-quaternised or quaternised basic radical, n is 1 to 4, m is 1 to 4, M is hydrogen or a cation, p is 0 to 2, with the proviso that the value of m is as great or greater than p, and wherein the benzene nuclei B and D may additionally contain one or more identical or different substituents.</p> |
