Methylene blue is a synthetic basic dye used in chromoendoscopy to identify dysplasia, or pre-cancerous lesions. It also can stain cells and tissues in research.It also works as a soluble guanylyl cyclase inhibitor.

OG 488, SE是一种荧光标记物，常用于蛋白质和核酸标记，用于生物成像和荧光检测。

Dehydrothio-p-toluidine 是一种具有抗氧化活性的化合物，可以减轻氧化应激引起的细胞损伤，具有抗肿瘤和抗炎作用。

CRANAD-28 is a blood brain barrier (BBB) penetrable two-photon imaging probe.

Cresyl Violet acetate是一种神经染料，能够特异性染色神经细胞。

Sulforhodamine 101, a fluorescent dye (Ex ~586nm, Em ~606nm), is a selective astrocyte marker.

Leucomethylene blue mesylate是美克蓝的常见还原形式，作为第二代tau蛋白聚集抑制剂，用于治疗阿尔茨海默病（AD）和额颞叶痴呆（frontotemporal dementia）。