1. Chemical approaches of penicillin allergy—III

   • C V Nataraj
   • Chitra Mandal
   • P K Bhattacharyya

   Organic Pages: 1 - 12

2. The dimensions of the ester unit

   • C Ramakrishnan
   • Jayati Mitra

   Organic Pages: 13 - 21

3. Thermodynamic study of binary mixtures of isomeric butylamines with n-hexane: Enthalpy of hydrogen bonding

   • S D Pradhan
   • H B Mathur

   Physical and Theoretical Pages: 23 - 29

4. Kinetics and mechanism of thermal decomposition of tetramethylammonium nitrate

   • S R Jain
   • M V Rao
   • V R Pai Verneker

   Physical and Theoretical Pages: 31 - 36

5. Orthonormality-constrained orbital optimisations in MC-SCF theory

   • Debashis Mukherjee

   Physical and Theoretical Pages: 37 - 43

6. Infrared spectra of (NH₄)₂BeF₄

   • Y S Jain

   Physical and Theoretical Pages: 45 - 48

7. Preparation of manganous zinc ferrites

   • M N Sankarshana Murthy
   • C E Deshpande
   • J J Shrotri

   Inorganic and Analytical Pages: 49 - 54

8. Tracer studies of adsorption of Sr⁺⁺ on copper

   • T M Pradhananga
   • K K Shrestha
   • Narendra N Roy

   Inorganic and Analytical Pages: 55 - 60