– Benzamide is a small molecule Magmas inhibitor (SMMI). Magmas is mitochondria associated?granulocyte-macrophage colony stimulating factor signaling molecule?as well as a GM-CSF inducible gene in myeloid cells. Magmas-IN-1 inhibits Magmas and modulates mitochondrial function. Magmas-IN-1 also inhibits proliferation in yeast at 4 ?M.