3H-naphtho(2,1-b)pyran-3-one

7-(Ethylamino)-4,6-dimethyl-2-benzopyron 4-Hydroxycumarin 6,7-Dihydroxy-4-methylcumarin 7-(Diethylamino)-4-methyl-2-benzopyron Hymecromon (7aR,cis)3,4,7a,10a-Tetrahydro-5-methoxy-1H,12H-furo(3',2':4,5)-furo(2,3-h)pyrano(3,4-c)(1)-chromen-1,12-dion 3-Chlor-7-hydroxy-4-methyl-2-benzopyron Xanthotoxin 2-Oxo-2H-benzopyran-3-carbonsäure 7-(Acetyloxy)-4-methyl-2-benzopyron 4-methylcumarin-6-ylmethyliminodiessigsaeure Dicumarin 7-(Dimethylamino)-4-methyl-2-benzopyron 3-Acetylcumarin 7-Amino-4-(trifluormethyl)-2-benzopyron Trioxysalen 3-[2-(Diethylamino)ethyl]-7-hydroxy-4-methyl-2H-1-benzopyran-2-onhydrochlorid (R)-4-Hydroxy-3-(3-oxo-1-phenylbutyl)-2-benzopyron