Guanidinosuccinic acid (GSA) has been identified as a uremic toxin?is a nitrogenous metabolite isolated in excess from serum and urine.

FM1-43 is a highly lipophilic, water-soluble styrene dye that acts as an osmotic blocker of hair cell mechanical transducer channels and can be used to study neuropeptide granule dynamics and cytotoxicity.

SJ000063181 is a potent activator of BMP signaling, exhibiting an EC50 of ≤1 μM. It serves as a valuable chemical probe for BMP signaling analysis, owing to its ability to penetrate zebrafish embryos.