Adamantane:
Adamantane is a colorless, crystalline chemical compound with a camphor-like odor.
en.wikipedia.org
金刚烷:
金刚烷（化学式：C10H16，三环[3.3.1.13,7]癸烷）是无色晶状固体，有樟脑气味。
zh.wikipedia.org
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Adamantane金刚烷