17874-34-9 2H-1-Benzopyran-2-one, 8-(1,1-dimethylethyl)-4,6-dimethyl- 4,6-Dimethyl-8-tert-butylcoumarin 77303-24-3 8-tert-Butyl-4,6-dimethyl-2-benzopyrone 8-tert-Butyl-4,6-dimethylcoumarin COUMARIN, 8-tert-BUTYL-4,6-DIMETHYL- Coumarin, 4,6-dimethyl-8-(1,1-dimethylethy)- EINECS 241-827-9