2,6-二氯吡啶-4-羰酰氯

methyl 2,6-dimethylpyridine-4-carboxylate

4-氨基-2,6-二氯吡啶

2,6-二氯-4-吡啶异氰酸酯

2,6-二氯吡啶-4-甲醇