The chemical Olanzapine has a designated molecular formula of C17H20N4S and a molecular weight of 312.435 g/mol. Synonyms may include: LY 170053, 2-Methyl-4-(4-methyl-1-piperazinyl)-10H-thieno(2,3-b)(1,5)benzodiazepine, Zyprexa, Olansek, Zyprexa Zydis, Zyprexa Intramuscular, UNII-N7U69T4SZR, Olanzapine Teva, Olanzapine Mylan, Olanzapine Neopharma, Zalasta, Zypadhera (ChemID). Olanzapine has been assigned a MeSH pharmacological action of: Serotonin Uptake Inhibitor.