Hygromycin B is an antibiotic substance isolated from Streptomyces hygroscopicus. Its mode of action is the inhibition of protein synthesis, by inducing the misreading of the m-RNA template in the prokaryote, (E. coli, at 100 mg/mL), lower eukaryotes (e.g., yeast, at 200 mg/mL) and higher…

Ivermectin is a macrolide antiobiotic, & semisynthetic derivative of avermectin B1a and B1b. Ivermectin is a broad-spectrum antiparasitic agent. Positive allosteric modulator of α7 neuronal nicotinic acetylcholine receptor; also modulates glutamate-GABA-activated chloride channels.