Emphasis 1. Chemcially structural feature, physico-chemical property, stability 2. Biological effect adverse effects biotransformation etc 3. Structure-activity relationship, drug targets in living bodies as well as mode of actionEmphasis • 1. Chemcially structural feature, physico-chemical property, stability. • 2.Biological effect, adverse effects, biotransformation etc. • 3. Structure-activity relationship, drug targets in living bodies as well as mode of action