Synonyms: Glycine,N-[2-[2-[2-[bis(carboxymethyl)amino]-5-[[(2',7'-dichloro-3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-5-yl)carbonyl]amino]phenoxy]ethoxy]phenyl]-N-(carboxymethyl)-,hexapotassium salt (9CI); Spiro[isobenzofuran-1(3H),9'-[9H]xanthene], glycinederiv.; Calcium Green 1; Calcium Green I