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.

Antimony potassium tartrate also known as potassium antimonyl tartrate potassium antimontarterate or emetic tartar has the formula K2Sb2(C4H2O6)2 and is the double salt of potassium and antimony of tartaric acid.

N-Nitroso-N-methylurea is a nitrosourea compound with alkylating, carcinogenic, and mutagenic properties.