2159 -OEChem-04030813132D 0 0 0 0 0 0 0 0 0999 V2000 M END > 2159 > 1 > BioCyc > BA+2 > TYPES - Cations > BA+2 Ba++ Ba2+ > BA+2 > http://biocyc.org > http://biocyc.org/META/NEW-IMAGE?type=COMPOUND&object=BA%2B2 $$$$