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formulas
edit4-phenylcoumarin is C15H10O2. 4-phenylchromen is C15H12O. 69.72.92.111 (talk) 08:22, 5 September 2014 (UTC)
link problems
editClicking on reference 2, 6, or 8 gives an error message. 69.72.92.241 (talk) 00:43, 12 November 2015 (UTC)