1. A convenient synthesis of olivetol dimethyl ether and homologues
SURACHAI NIMGIRAWATH and KALAYA ANULAKANAPAKORN

2. Chemical constituents of dianella ensifolia redoute
VITCHU LOJANAPIWATNA, KOVIT CHANCHAROEN, KANCHANA SAKARIN and PICHAET WIRIYACHITRA.

3. Chemical constituents of schefflera sp.
PITTAYA TUNTIWACHWUTTIKUL, VICHAI REUTRAKUL, CHIRAPORN THONGSRINUN, AMPORN SRISUTIUPRUTH and CHIRAYUPIN CHANDRAPRASONG

4. Design and constructi0n of a portable sulphur dioxide monitor
N. CHAIKUM and C. PHIBULSAWASDI

5. Neurotransmitier systems in the vertebrate retina
THYON CHENTANEZ and DIANA A. REDBURN

6. Quantitative reactivity correlations of ring-substituted benzylmercuric chloride ozonolysis
AMNARD TANTIVANICH