NAME

       Chemistry::OpenSMILES::Aromaticity - Aromaticity handling routines

DESCRIPTION

       Chemistry::OpenSMILES::Aromaticity encodes some aromaticity handling subroutines for
       aromatisation and kekulisation. Both implementations are experimental, handle only some
       specific cases and are neither stable nor bug-free, thus should be used with caution.

METHODS

       aromatise( $moiety )
           Mark electron cycles as aromatic.

       kekulise( $moiety )
           Find nonfused even-length aromatic cycles consisting only of B, C, N, P, S and mark
           them with aliterating single and double bonds.

       electron_cycles( $moiety )
           Find electron cycles according to "Finding Electron Cycles" algorithm from
           <https://depth-first.com/articles/2021/06/30/writing-aromatic-smiles/>.  Use with
           caution: the implementation is experimental.