6-Hydroxy-1,3-naphthalenedi(sulfonic acid potassium) salt
6-Hydroxy-1,3-naphthalenedi(sulfonic acid potassium) salt ??
??
6-Hydroxy-1,3-naphthalenedi(sulfonic acid potassium) salt C??? ??, ??, ??
6-Hydroxy-1,3-naphthalenedi(sulfonic acid potassium) salt ?? ?? ? ???
???
?? ??
6-Hydroxy-1,3-naphthalenedi(sulfonic acid potassium) salt ?? ??
???( 0)?? ??