NSC360859 Ruthenium(+), pentaammine[3,4-dihydroxy-3-cyclobutene-1,2-dionato(2-)-O(3)]-, chloride, (OC-6-22)- Ruthenium(1+), pentaammine[3,4-dihydroxy-3-cyclobutene-1,2-dionato(2-)-O(3)]-, chloride, (OC-6-22)-