To add reaction accompanied by transformation:
1. Select [add reactant] icon 
from the reaction icon pallet on the tool bar.
2. Select the reactant, then select the reaction you want to add the transformation.
3. Select [add product] icon 
from the reaction icon pallet on the tool bar.
4. Select the reaction, then select the target product.
See also: Change Default Setting of the Component
You can chage reactant/product reacton line from straight line to curve line.
To delete the reaction:
1. Select the reaction you want to delete.
2. Select [Edit] - [Delete] menu or press Delete key.
