the genotoxic activity of two bifunctional furocoumarins , 8- and 5-methoxypsoralen ( 8-mop and 5-mop ) , and the newly developed monofunctional furocoumarin , 7-methyl-pyrido ( 3,4-c ) psoralen ( mepyps ) , was determined in diploid yeast .
C0016859
furocoumarin
C0016072
psoralen