Salicylic acid:
Salicylic acid (from Latin "salix", "willow tree", from the bark of which the substance used to be obtained) is a monohydroxybenzoic acid, a type of phenolic acid and a beta hydroxy acid.
en.wikipedia.org
水楊酸:
水楊酸（又名柳酸，源于拉丁文的“杨柳”，或鄰羥基苯甲酸（2-羟基苯甲酸））。
zh.wikipedia.org
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Salicylic acid水楊酸