2-bromo-5-(3-hydroxy-pentane-3-yl)pyridine

2,5-di(3-hydroxy-pentane-3-yl)pyridine

5,5'-二溴-2,2'-联吡啶

methyl 3-ethyl-3-hydroxy-2-methylpentanoate

2-甲基-3-氧代丁酸甲酯