Nonabine

7-(1,2-dimethylheptyl)-2,2-dimethyl-4-(4-pyridyl)chromen-5-ol

2,2-dimethyl-7-(3-methyloctan-2-yl)-4-pyridin-4-ylchromen-5-ol

2,2-dimethyl-7-(3-methyloctan-2-yl)-4-pyridin-4-yl-chromen-5-ol