A tricyclic crystalline compound, O(C6H4)2CH2, derivatives of which are used as brilliant, often fluorescent, dyes. Usually attributive.
| 单词 | θ69968 | 
| 释义 | the world > matter > chemistry > organic chemistry > organic compounds > 			[noun]		 > cyclic compounds > tricyclic compounds (5)		 xanthene1898 A tricyclic crystalline compound, O(C6H4)2CH2, derivatives of which are used as brilliant, often fluorescent, dyes. Usually attributive. thioxanthene1911 a tricyclic crystalline compound, C13H10S, that is the sulphur analogue of xanthene; also, any of a class of derivatives of this that includes… psoralen1933 A photoreactive compound which occurs in certain plants; any substituted derivative of this compound, examples of which are used in perfumery… lysergic acid1934 lysergic acid. A crystalline tetracyclic compound, C16H16N2O2, containing the indole nucleus and occurring in two enantiomorphic forms, the… cannabinoid1967 Any of a group of substances including cannabinol, cannabidiol, and other structurally related compounds of natural and synthetic origin. In later…  | 
	
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