| 摘要 |
<p>There is disclosed a compound of formula (I) wherein each of X1 and X2 are independently NH-A-NR1R2, and wherein A is A C¿2-8? alkylene group and R?1 and R2¿ are independently selected from hydrogen, C¿1-4? alkyl, C2-4 hydroxy-alkyl and C2-4 aminoalkyl, or R?1 and R2¿ together form a C¿2-6? alkylene group which with the nitrogen atom to which R?1 and R2¿ are attached forms a heterocyclic ring, or an N-oxide derivative thereof, and wherein the compound (I) or its N-oxide derivative is optionally in the form of an acid salt derived from an organic or inorganic acid. Also disclosed is a method of its production and its uses, including its use in analysing a cell or biological material and detecting the emitted fluorescence signal.</p> |
