[Problem to be Solved] To provide a fluorescent probe for ALDH3A1 detection that can be used in flow cytometry adaptable to live cells.
[Means of Resolution] A compound represented by general formula (I) or a salt thereof, wherein the compound or salt thereof has a retention time on an HPLC chromatogram measured under the following conditions of longer than 6.9 minutes when said compound is in aldehyde form and of 6.9 minutes or less when said compound is in carboxylic acid form.
[问题解决方法] 提供一种适用于流式细胞术的ALDH3A1检测的荧光探针,可适用于活细胞。
[解决方法] 一种由通用式(I)表示的化合物或其盐,其中当所述化合物为醛形式时,在以下条件下测得的HPLC色谱图上的保留时间长于6.9分钟,当所述化合物为
羧酸形式时,保留时间为6.9分钟或更短。