NFR;NUCLEAR FAST RED (KENNECHTROT);NUCLEAR FAST RED SODIUM SALT;4-amino-9,10-dihydro-1,3-dihydroxy-9,10-dioxo-2-anthracenesulfonicacimono ;Nuclearfastred(C.I.60760) ;Nuclear Fast Red [for Determination of Ca in Serum];Calcium Red, 4-Amino-9,10-dihydro-1,3-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid sodium salt;NUCLEAR FAST RED, 94%, PURE