| 摘要 |
<p>A compound of the Formula (1) or salt thereof: <CHEM> wherein: Z is vinyl, or a group which is convertible to vinyl by treatment with aqueous alkali; D is optionally substituted phenylene or naphthylene; R<1> is H, alkyl or substituted alkyl; R<2> and R<3> are each independently H, C1-4-alkyl or C1-4-alkoxy; and X is halo or quaternary ammonium. h</p> |
