| 摘要 |
A compound represented by the following general formula (I) or a salt thereof: wherein R<1 >represents hydrogen atom, an alkyl group, an alkoxy group, or hydroxy group; R<2 >represents a group represented by the following formula (A): wherein X<1 >to X<4 >represent hydrogen atom, an alkyl group, or 2-pyridylmethyl group, and m and n represent 0 or 1; Y represents a single bond or -CO-; R<3 >represents a carboxy-substituted aryl group, a carboxy-substituted heteroaryl group, benzothiazol-2-yl group, or 5-oxo-2-thioxo-4-imidazolyzinylidenmethyl group], and a fluorescent probe for zinc which comprises said compound or a salt thereof.
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