2',4,8-Trimethylpsoralen 2,5,9-Trimethyl-7H-furo[3,2-g][1]benzopyran-7-one 3902-71-4 4,5',8-Trimethylpsoralen 4,5',8-Trimethylpsoralene 5-Benzofuranacrylic acid, 6-hydroxy-.beta.,2,7-trimethyl-, .delta.-lactone 7H-Furo[3,2-g][1]benzopyran-7-one, 2,5,9-trimethyl- BENZOFURANACRYLIC ACID,6-HYDROXY-B,2,7-TRIMETHYL-, Elder 8011 LACTONE NSC71047 TRIOXSALIN Trimethylpsoralen Trioxsalen Trisoralen