A compound of Formula (I) has the structure: wherein G is a straight, branched or cyclic alkyl group having 2 to 50 carbon atoms or an ether group, and R is a fluorescent dye. In some embodiments, G is selected from the group consisting of -(CH2)n- and -(CH2OCH2)m-, wherein n is an integer from 2 to 18, m is an integer from 2 to 18.
式(I)的化合物具有以下结构:其中G是具有2到50个碳原子的直链、支链或环烷基基团或醚基团,R是荧光
染料。在某些实施例中,G从组中选择,该组由-(
CH2)n-和-( O )m-组成,其中n是从2到18的整数,m是从2到18的整数。