Explanation of systematic name in ACD/Name window

Numeration mode

Move mouse* over the structure or name to view the name/structure relations or click Show Stereodescriptors to see an assignment of stereodescriptors:

Move the cursor over the structure or the name

Show Stereodescriptors button Links to corresponding IUPAC rules
Stereoprotocol mode

Click any atom with a stereodescriptor or click the Show Atoms Numbering button:

Click at any atom with stereodescriptors

Show Atoms Numbering button

*May not work in browsers other than MSIE.