2,3-Dihydro-9-methoxy-7H-furo(3,2-g)(1)benzopyran-7-one 2,3-Dihydroxanthotoxin 3779-03-1 7H-Furo(3,2-g)(1)benzopyran-7-one, 2,3-dihydro-9-methoxy- EINECS 223-238-9 NSC 401281