xanthene

[ˈzænθiːn] [ˈzænθɪn]

n. 氧杂蒽(黄色小晶体,供有机合成物用)

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    2023-03-23 11:33:19 2023-03-23 11:38:21 2023-03-23 11:04:54 2023-03-23 10:00:48 2023-03-23 10:03:20 2023-03-23 09:49:22 2023-03-23 11:11:59 2023-03-23 10:29:43 2023-03-23 11:33:52 2023-03-23 11:08:24 2023-03-23 11:19:54 2023-03-23 11:44:12 2023-03-23 11:11:19 2023-03-23 10:59:10 2023-03-23 09:41:56 2023-03-23 11:32:36 2023-03-23 12:07:38 2023-03-23 11:22:59 2023-03-23 10:10:56 2023-03-23 10:39:59