有一句英语,帮忙看看有问题没It is known as the C9 formula, with 6 carbon atoms at the benzene ring plus three carbon atoms of the propyl side-chain. Besides these 9 carbon atoms, only the carbon atom of the methoxyl units (-OCH3) is prese
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![有一句英语,帮忙看看有问题没It is known as the C9 formula, with 6 carbon atoms at the benzene ring plus three carbon atoms of the propyl side-chain. Besides these 9 carbon atoms, only the carbon atom of the methoxyl units (-OCH3) is prese](/uploads/image/z/8579776-40-6.jpg?t=%E6%9C%89%E4%B8%80%E5%8F%A5%E8%8B%B1%E8%AF%AD%2C%E5%B8%AE%E5%BF%99%E7%9C%8B%E7%9C%8B%E6%9C%89%E9%97%AE%E9%A2%98%E6%B2%A1It+is+known+as+the+C9+formula%2C+with+6+carbon+atoms+at+the+benzene+ring+plus+three+carbon+atoms+of+the+propyl+side-chain.+Besides+these+9+carbon+atoms%2C+only+the+carbon+atom+of+the+methoxyl+units+%28-OCH3%29+is+prese)
有一句英语,帮忙看看有问题没It is known as the C9 formula, with 6 carbon atoms at the benzene ring plus three carbon atoms of the propyl side-chain. Besides these 9 carbon atoms, only the carbon atom of the methoxyl units (-OCH3) is prese
有一句英语,帮忙看看有问题没
It is known as the C9 formula, with 6 carbon atoms at the benzene ring plus three carbon atoms of the propyl side-chain. Besides these 9 carbon atoms, only the carbon atom of the methoxyl units (-OCH3) is present in the macromolecule.
有一句英语,帮忙看看有问题没It is known as the C9 formula, with 6 carbon atoms at the benzene ring plus three carbon atoms of the propyl side-chain. Besides these 9 carbon atoms, only the carbon atom of the methoxyl units (-OCH3) is prese
化工英语,太专业了.语法上基本通顺.贴要翻译的原句出来看看.
It is known as C9 formula,with 6 carbon atoms at the benzene ring plus three carbon atoms of the propyl side-chain.Besides these 9 carbon atoms,only the carbon atoms of the methoxyl units (-OCH3) are present in the macromolecule.