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单词 para-aminobenzoic acid
释义

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para-aminobenzoic acid
para-aminobenzoic acid n. the para-isomer of aminobenzoic acid, (H2N)C6H4(COOH), which is widely distributed in plant and animal tissue, is used in sunscreens, in manufacturing folic acid, azo dyes, etc., and in laboratories as a sulphonamide antagonist, and is sometimes considered a member of the vitamin B group. Abbreviated PABA.extracted from para-aminobenzoicadj.
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