Macchindra Kadam
Chemical Research and Development, Macleods Pharmaceuticals Ltd., Plot No-124, Road No. 17, MIDC, Marol Industrial Area, Andheri East, Mumbai 400 093, Maharashtra, India.

Deepak Nale
Institute of chemical technology

Datta Thorat
Chemical Research and Development, Macleods Pharmaceuticals Ltd., Plot No-124, Road No. 17, MIDC, Marol Industrial Area, Andheri East, Mumbai 400 093, Maharashtra, India.

Venkateswara Rao Vallu
Chemical Research and Development, Macleods Pharmaceuticals Ltd., Plot No-124, Road No. 17, MIDC, Marol Industrial Area, Andheri East, Mumbai 400 093, Maharashtra, India.

Bollikonda Satyanarayana
Chemical Research and Development, Macleods Pharmaceuticals Ltd., Plot No-124, Road No. 17, MIDC, Marol Industrial Area, Andheri East, Mumbai 400 093, Maharashtra, India.

Padi Pratap Reddy
Chemical Research and Development, Macleods Pharmaceuticals Ltd., Plot No-124, Road No. 17, MIDC, Marol Industrial Area, Andheri East, Mumbai 400 093, Maharashtra, India.

Sayujjata R. Vaidya
Department of Chemistry, Vivekanand Arts, Sardar Dalipsingh Commerce and Science college, Samarth Nagar, Aurangabad 431 004, Maharashtra, India.