1-(8-hydroxy-2-methylbenzo[de]chromen-7-yl)ethanone InChI=1/C15H12O3/c1-8-6-10-4-3-5-11-14(9(2)16)12(17)7-13(18-8)15(10)11/h3-7,17H,1-2H ethanone, 1-(8-hydroxy-2-methylnaphtho[1,8-bc]pyran-7-yl)-