Phang-hiuⁿ-cho̍k sng

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Phang-hiuⁿ-cho̍k sng (芳香族酸; aromatic acid) sī chi̍t lūi phang-hiuⁿ-cho̍k hoà-ha̍p-bu̍t. Chit khoán hoà-ha̍p-bu̍t lóng hâm-iú chi̍t ê phang-hiuⁿ-cho̍k khoân kap iú-ki sng koaⁿ-lêng-ki.