119560-35-9 3,3-(2-Thienylidene)-bis-4-hydroxybergapten 6,6'-(2-Thienylmethylene)bis(5-hydroxy-4-methoxy-7H-furo(3,2-g)(1)benzopyran-7-one) 7H-Furo(3,2-g)(1)benzopyran-7-one, 6,6'-(2-thienylmethylene)bis(5-hydroxy-4-methoxy-