NSD SODIUM SALT MONOHYDRATE;SODIUM 1,2-NAPHTHOQUINONE-2-DIAZIDO-4-SULFONATE;sodium 3-diazonio-4-oxido-1-naphthalenesulfonate;1,2-Naphthochinondiazid-(2)-4-sulfonsaeure Natriumsalz;2-Diazo-1-naphthol-4-sulfonicacidsodiumsalt;3-diazo-3,4-dihydro-4-oxo-1-naphthalenesulfonicacisodiumsalt;2-DIAZO-1,2-DIHYDRO-1-OXO-4-NAPHTHALENESULFONIC ACID SODIUM SALT MONOHYDRATE;2-DIAZO-1,2-NAPHTHOQUINONE-4-SULFONIC ACID SODIUM SALT