a-Terthienyl exists widely in composite plants, but its content is too minim to be detected usually.
三噻吩是广泛存在于菊科植物中的一化物质,但含量较低,一般很难测。
a-Terthienyl exists widely in composite plants, but its content is too minim to be detected usually.
三噻吩是广泛存在于菊科植物中的一化物质,但含量较低,一般很难测。
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