MC-Val-Cit-PAB-Exatecan (MC-Val-Cit-PAB-DX8951) is a agent-linker conjugate for ADC. MC-Val-Cit-PAB-Exatecan is composed of a DNA topoisomerase I DX-8951 and a cathepsin cleavable ADC linker.

trans-Urocanic Acid ((E)-Urocanic acid), a compound predominantly distributed in the hippocampus and prefrontal cortex, is an isomer of cis-UCA, an epidermal UV-protectant, which enhances the stability of tenofovir eplerenomide in long-acting HIV applications.

Ribostamycin is a broad-spectrum antimicrobial, inhibits bacterial protein synthesis at the level of 30S and 50S ribosomal subunit binding, also inhibits the chaperone activity of protein disulfide isomerase (PDI), used in pharmacokinetic and nephrotoxicity studies.