Doing this will open the structure drawing module. The structure for the name of the compound that was highlighted from the text search will be highlighted. Clear the work area on the screen by going to the Edit menu bar and choosing Clear All . Even though a functional group may appear more than one time, you only need to draw it once. DOC is also able to search structural fragments that are not connected to one another.
Shortcuts contain functional groups.
Next, go to QueryDef in menu bar, choose Ring Isolation and selected Isolated . Choose Preferences . Check box in lower left corner that is labelled Use Previous Search Results . Make sure that Exact Search Box is unchecked. Then choose Okay .