the wide range of naturally occurring compounds from microorganisms and plants which are phototoxic in uv-a light ( 320-400 nm ) includes cinnamyl esters , coumarins and furanocoumarins , furanochromones , benzofurans , alkaloids , based on tryptophan or phenylalanine , extended naptho-and anthraquinones , polyacetylenes and their thiophene derivatives .
C0010207
coumarins
C0016859
furanocoumarins