為什麼山寨版還是有人買?
Sialic acid - Wikipedia, the free encyclopedia 看看這個拼音你就一目了然了! &Sialic acid is a generic term for the N- or O-substituted derivatives of neuraminic acid, a monosaccharide with a nine-carbon backbone.[1] It is also the name for the most common member of this group, N-acetylneuraminic acid (Neu5Ac or NANA). Sialic acids...
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