OSMI-1 inhibits protein O-linked N-acetylglucosamine (O-GlcNAcylation) in several mammalian cell lines without qualitatively altering cell surface N- or O-linked glycans.

Sulfo-SMCC sodium is a commonly used hetero-bifunctional, non-cleavable ADC crosslinker bearing N-hydroxysuccinimide (NHS) ester and maleimide groups to react with primary amines and sulfhydryl groups, respectively.

4-Hydroxy-3-methylbenzoic acid is a normal organic acid identified in urine specimens from a healthy population.