I have the impression that I am not making my point clearly. Let us take an IUPAC name as an example: [(2R,3R,4S,5R,6R)-3,4,5-tris(acetyloxy)-6-(3-bromopropoxy)oxan-2-yl]methyl acetate. If I did not know that this is a glucopyranoside, the name would not have pointed me in that direction.