Rabeprazole Soduim(CAS: 117976-90-6) & intermediates

i.    2-{[4-3methoxypropoxy]-3-methylpyridine-2-yl}-methythio}1H-benzimidazole (CAS: 117977-21-6)

ii.   2-chloromethyl-4-(3-methoxypropoxy)-3-methylpyridine hydrochloride(CAS: 153259-31-5)

iii.  2-hydroxymethyl-4-(3-methoxypropoxy)-3-methylpyridine hydrochloride（CAS No： 118175-10-3）

v.   2,3-Dimethyl-4-chloropyridne-n-oxide (CAS No.: 59886-90-7)

                                             
 vi.  2,3-Dimethyl-4-nitropyridne-n-oxide (CAS No.: 37699-43-7)

                                            
 vii. 2-Mercapto bezimidazole(CAS No.: 583-39-1)