Compounds of Formula (I) wherein B is selected from the group consisting of substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl; Y is a linker moiety selected from the group consisting of a direct bond. R, R1, R2, and R3 are each individually selected from the group consisting substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, or heterocycle.
式(I)中的化合物,其中B选自取代或未取代的芳基,取代或未取代的杂环基;Y是选自直接键等的连接子基团。R、R1、R2和R3分别选自取代或未取代的芳基,取代或未取代的杂环基或杂
环烃基。