Olanzapine EP Impurity B

Chemical Name: 2-Methyl-5,10-dihydro-4H-thieno[2,3-b][1,5]benzodiazepin-4-one (as per EP); 2-Methyl-10H-thieno-[2,3-b][1,5]benzodiazepin-4[5H]-one (as per USP)

Synonym: Sodium (r)-4-((2-(3-(2-fluoro-6-(trifluoromethyl)benzyl)-4-methyl-2,6-dioxo-3,6-dihydropyrimidin-1-(2h)-yl)-1-phenylethyl)amino)butanoate