1,6-Naphthalenedisulfonicacid,7-[2-[4'-[2-(8-amino-1-hydroxy-5-sulfo-2-naphthalenyl)diazenyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]diazenyl]-8-hydroxy-,sodium salt (1:3) price

1,6-Naphthalenedisulfonicacid,7-[2-[4'-[2-(8-amino-1-hydroxy-5-sulfo-2-naphthalenyl)diazenyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]diazenyl]-8-hydroxy-,sodium salt (1:3) price, total count: 1