14293-70-0 AI3-61988 CCRIS 1476 Dipotassium nitrosodisulfonate Dipotassium nitrosodisulphonate EINECS 238-219-0 Fremy's salt Fremys salt NITROSODISULFONIC ACID, DIPOTASSIUM SALT NSC 209812 Potassium disulfonate nitroxyl Potassium nitrosodisulfonate Potassium nitrosyl sulfonate Potassium nitrosyldisulfonate Potassium peroxylaminedisulfonate