2303 -OEChem-04030813132D 0 0 0 0 0 0 0 0 0999 V2000 M END > 2303 > 1 > BioCyc > CPD-1490 > TYPES - Cations > CPD-1490 Sn++ Sn+2 Sn2+ > CPD-1490 > http://biocyc.org > http://biocyc.org/META/NEW-IMAGE?type=COMPOUND&object=CPD%2D1490 $$$$