Pharmaceutical compositions containing calcium complex of (4R) -4- bis (carboxy-.kappa.O) methyl amino-.kappa.N -6,9-bis (carboxy-.kappa.O) methyl -1 - (4,4-diphenylcyclohexyl) oxy -1-hydroxy-2-oxa-6,9-diaza-1-phosphaundecan-11-yl-acid-.kappa.N6, .kappa.N9, .kappa.011 1-oxidato (6 -), tetrahydrogen (MS-325) and its salts, and process for their preparation

摘要

The invention relates to the calcium complex of[[(4R)-4-[bis[(carboxy-.kappa.O)methyl]amino-.kappa.N]-6,9-bis[(carboxy-.kappa.O)methyl]-1-[(4,4-diphenylcyclohexyl)oxy]-1-hydroxy-2-oxa-6,9-diaza-1-phosphaundecan-11-ylic-acid-.kappa.N6,.kappa.N9,.kappa.011]1-oxidato(6-)]-, tetrahydrogen (MS-325) and its salts, pharmaceutical agents that contain these complexes for the production of agents for the reduction of effects that are caused by heavy metals as well as processes for their production.