Micro Labs Ltd.;
Chemical Research Department;
API R&D Centre;
Plot No. 43-45;
KIADB;
IVth Phase;
Bommasandra-Jigani Link Road;
Anekal Taluk;
Bangalore;
560105;
Karnataka;
India;
Department of Chemistry;
Sri Venkateswara University;
Tirupati;
517502;
Andhra Pradesh;
India;
Pantoprazole; sodium; sesquihydrate; Impurity; E; Oxidation; Enrichment; Column; chromatography; Characterization; HPLC;