Fluorescent compounds and their use for measuring reticulocytes

摘要

A compound represented by the formula (I): wherein R1 is hydrogen atom or a lower alkyl group; R2 and R3 are independently hydrogen atom, a lower alkyl group or a lower alkoxy groups; R4 is hydrogen atom, an acyl group or a lower alkyl group; R5 is hydrogen atom or an optionally substituted lower alkyl group; Z is sulfur atom, oxygen atom or carbon atom substituted with a lower alkyl group; n is 1 or 2; and X<-> is an anion.