Problem to be solved: to provide a probe for the activity evaluation of brown adipocytes capable of quantitatively evaluating the activity of brown adipocytes.A probe for activity evaluation of a brown adipocyte having the compound represented by the general formula (1) as an active ingredient.In general formula (1), R represents - O (CH2) n -, - O (CH2) noc2h4 -, - CH2O (CH2) n - or - CH2O (CH2) noc2h4 -, n represents an integer of 1 to 5, and QL represents a labeled group. ]No selection【課題】褐色脂肪細胞の活性を定量的に評価することができる褐色脂肪細胞の活性評価用プローブを提供すること。【解決手段】一般式(1)で表される化合物を有効成分とする、褐色脂肪細胞の活性評価用プローブ。[一般式(1)中、Rは、-O(CH2)n-、-O(CH2)nOC2H4-、-CH2O(CH2)n-又は-CH2O(CH2)nOC2H4-を示し、nは1~5の整数を示し、Q1は、標識基を示す。]【選択図】なし
