4,4-Dimethyl-7-(1,2-dimethylheptyl)-9-hydroxy-4H-thieno(2,3-c)(1)benzopyran 4H-Thieno(2,3-c)(1)benzopyran-9-ol, 4,4-dimethyl-7-(1,2-dimethylheptyl)- 57860-76-1 7-(1,2-Dimethylheptyl)-4,4-dimethyl-4H-thieno(2,3-c)(1)benzopyran-9-ol BRN 1323257