【化】 对苯二醛

terephthalic acid

terephthalic acid mononitrile; p-cyanobenzoic acid

p-phthalic accid; terephthalic acid

terephthalic acid; p-phthalic acid

para-phthalic acid【有化】;terephthalic acid【有化】

purified terephthalic acid

terephthalic resin varnish

terephthalic aldehyde