isomerism
8.SITE 2/4 AND SITE 3 CHIRAL ISOMERISM OF COCAINE AND BONDING WITH THE ACCEPTOR
9.With the popularization of distributed computing, as the key technology for resolving the problem of distributed isomerism, middleware is developed rapidly.
10.To construct the system platform, establish based on Web B/W/D three structures PDM, use the Mysql to establish data storage model, realize the PDM function, expands PDM using XML to the isomerism data handling ability.

