Cymserine is a drug related to physostigmine, which acts as a reversible cholinesterase inhibitor, with moderate selectivity for the plasma cholinesterase enzyme butyrylcholinesterase, and relatively weaker inhibition of the better-known acetylcholinesterase enzyme.
Bisnafide is a Naphthalimide Analogue that acts as a DNA intercalator and topo II inhibitor. It is also an antiangiogenic agent that can normalize tumor vessels and promote the delivery of cytotoxic agents to tumor sites.