Has good acid, alkali, salt spray and heat performance.
具有良好的耐酸、堿、盐雾和湿热性能。
The derivatives of the invention are free alkali or salt of the general formula compound.
本发明所述的衍生物为上述通式化合物的游离碱或盐。
The derivatives of the invention are free alkali or salt of the general formula compound.
本发明所述的衍生物为上述通式化合物的游离碱或盐。
应用推荐