noperfect.sln

A program to find frequent molecular substructures and discriminative fragments in a database of mol

# These two simple structures show why perfect extension pruning has
# to be restricted to bonds that are bridges. If it is not, the common
# fragment N-O-C-C-C-C is lost (since N-C is then a perfect extension).
a,0,N[1]-O-C-C-C-C-@1
b,0,N[1]-O-C-C-C-@1-C