Omeprazole impurity

AMZ-A  2-Mercapto-5MethoxybenziMidazole;EsoMeprazole related substance A;H118/87   37052-78-1

AMZ-B  4-DesMethoxy OMeprazole;EsoMeprazole related substance B   110374-16-8

AMZ-C  OMeprazole sulphide;EsoMeprazole related substance C  73590-85-9

AMZ-D  OMeprazole sulfone;EsoMeprazole related substance D;H168/66    88546-55-8

AMZ-E  OMeprazole N-oxide;EsoMeprazole related substance E  176219-04-8

AMZ-H   2-(((4-chloro-3,5-dimethylpyridin-2yl)methyl)sulfinyl)-6-methoxy-1Hbenzo[d]midazole  863029-89-4

AMZ-FG  8-methoxy-1,3-dimethyl-12thioxobenzo[4',5']imidazo[2',1':2,3]imida zo[1,5-a]pyridin-2(12H)-one compound with 9-methoxy-1,3-dimethyl-12thioxobenzo[4',5']imidazo[2',1':2,3]imida zo[1,5-a]pyridin-2(12H)-one (1:1)

125656-82-8 /125656-83-9

AMZ-I  OMeprazole Sulfone N-Oxide  158812-85-2