Pseudotropine can cause hepatic necrosis and gastritis with ulceration or erosions.

Prolylleucine is a dipeptide containing branched-chain amino acids.The addition of specific dipeptide containing branched-chain amino acids, such as Prolylleucine, to the growth medium negatively affects cell envelope-associated proteinase (CEP) activity, whereas dipeptides without branched-chain amino acids had no effect on the enzyme's production.

Butanoic acid, 4-[[2-(2,6-dioxo-3-piperidinyl)-2,3-dihydro-1,3-dioxo-1H-isoindol-4-yl]amino]- is a Cereblon ligand with alkyl linker and terminal acid for onward chemistry.