xanthene

[ˈzænθiːn] [ˈzænθɪn]

n. 氧杂蒽(黄色小晶体,供有机合成物用)

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    2023-03-24 09:25:36 2023-03-24 08:40:14 2023-03-24 08:16:36 2023-03-24 09:35:39 2023-03-24 09:16:21 2023-03-24 09:08:16 2023-03-24 08:58:12 2023-03-24 10:08:31 2023-03-24 08:59:14 2023-03-24 08:55:31 2023-03-24 08:37:24 2023-03-24 08:20:21 2023-03-24 08:45:14 2023-03-24 08:40:54 2023-03-24 07:50:21 2023-03-24 09:56:50 2023-03-24 10:13:59 2023-03-24 08:25:33 2023-03-24 09:06:20 2023-03-24 10:06:04