Answer: New drugs that are about to be launched
Analysis:
The main objects of optimization route research include new drugs that are about to be launched, drugs whose compound patents are about to expire, and production A large, widely used drug.
The optimized route must have the characteristics of reliable quality, cost-effectiveness, process safety, and environmental friendliness.
The research content of drug synthesis process routes covers the design of synthesis process routes and the selection of synthesis process routes.