How many different functional groups are present in vancomycin (antibiotic)?

Question

excluding alkanes, indicate the names of the various functional groups that are present in the vancomycine.

Answer 1

Here is a link to its structure:
http://www.thebestlinks.com/images/thumb/6/6e/275px-Vancomycin.png

You should be able to identify and count the different functional groups.