Green chemistry Organic compounds--Synthesis Biodiversity Chemistry Marine pollution Atmosphere Chemistry, Organic Climate change Ecosystems Green Chemistry Organic chemistry Organic reaction mechanisms Organic synthesis Pollution Soil pollution Air pollution Amino acids Antibiotics Antifungal Antibiotics Beta Lactams CHEMISTRY OF NATURAL PRODUCTS CHEMISTRY OF NATURAL PRODUCTS ; AMINOACIDS-- PEPETIDES-- PROTEINS AND ENZYMES Chemistry- Organic reactions Cleaner future Coenzymes Crown ethers Detection of functional groups, Preparation of derivatives, Indicator, seperation of mixtures Drug Design--Using QSAR Ecological Succession Ecology-- Biodiversity-- Conservation