the psoralens studied include bifunctional derivatives [ 8-methoxypsoralen , 5-methoxypsoralen , and 4'- ( hydroxymethyl ) -4,5',8-trimethylpsoralen ] and monofunctional derivatives ( angelicin , 3-carbethoxypsoralen , and three pyridopsoralens ) .
C0033858
psoralens
C0025684
8-methoxypsoralen