戊酸酐

甲基2-甲基-1(2H)-吡啶羧酸酯

甲基4-甲基-1(4H)-吡啶羧酸酯

methyl 4-propan-2-yl-4H-pyridine-1-carboxylate

1(2H)-Pyridinecarboxylic acid, 2-(1-methylethyl)-, methyl ester