Sennoside C is an anthraquinone glycoside extracted from leaves and pods of Senna and has an auxiliary effect on the laxative effect of mice.

PEN-221 is a Somatostatin receptor 2 (SSTR2)-targeting cytotoxic conjugate with an IC50 of 10 nM. PEN-221 is a conjugate consisting of microtubule-targeting agent DM1 linked to the C-terminal side chain of Tyr3-octreotate.

Patulin is a mycotoxin produced by a variety of molds commonly found in rotting apples including Aspergillus and Penicillium.