Melanin Concentrating Hormone (MCH), a 19 amino acid cyclic peptide, is largely expressed in the hypothalamus. Melanin Concentrating Hormone is implicated in the control of general arousal and goal-orientated behaviours in mammals, and appears to be a key messenger in the regulation of food intake.

Lucifer Yellow CH dipotassium 是一种高强荧光探针，含有游离的肼基。Lucifer Yellow CH 可在室温下与脂肪醛发生反应。Lucifer Yellow CH 可作为生物示踪剂，用于监测神经元的分支、再生、间隙连接检测和表征，以及醛固定后选择性消融细胞。Lucifer yellow CH 的激发/发射最大值分别为 430/540 nm。

6-FAM SE 是羧基荧光素的另一种异构体。 6-FAM SE主要用于标记核苷酸和测序核酸。