Synonyms:
cresol-formaldehyde copolymer 3-diazo-3,4-dihydro-4-oxo-1-naphthalenesulfonate ; pqc ; formaldehyde polymer with methylphenol, 3-diazo-3,4-dihydro-4-oxo-1-naphthalenesulfonate ; ester of 2-diazo-1-naphthol-4-sulfone with 4-cresol resin ; cresol-formaldehyde copolymer 1,2-naphthoquinonediazido-4-sulfonate ; cresol-formaldehyde copolymer 3-diazo-3,4-dihydro-4-oxo-1-naphthalenesulfonate