155272-63-2 2H-1-Benzopyran-2-one, 7-(2-(6-amino-9H-purin-9-yl)ethoxy)-4-methyl- 7-(2-(6-Amino-9H-purin-9-yl)ethoxy)-4-methyl-2H-1-benzopyran-2-one 7-(2-(9-Adeninyl)ethyloxy)-4-methylbenzopyran-2-one Coumarin, 7-(2-(6-amino-9-purinyl)ethoxy)-4-methyl-