4,6-Dichloropyrrolo[1,2-b]pyridazine-3-carboxylic acid
4-Chloro-6-fluoropyrrolo[1,2-b]pyridazine-3-carboxylic acid
Ethyl 4-chloro-6-fluoropyrrolo[1,2-b]pyridazine-3-carboxylate
4-Methyl-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid
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![6-Bromo-4-chloropyrrolo[1,2-b]pyridazine-3-carboxylic acid](https://qncdn.chemcd.cn/ampyridine/AM248384.png)
![AM248383 | 1416440-30-6 | 4,6-Dichloropyrrolo[1,2-b]pyridazine-3-carboxylic acid](https://qncdn.chemcd.cn/ampyridine/AM248383.png "AM248383 | 1416440-30-6 | 4,6-Dichloropyrrolo[1,2-b]pyridazine-3-carboxylic acid")
![AM248382 | 1416438-50-0 | 4-Chloro-6-fluoropyrrolo[1,2-b]pyridazine-3-carboxylic acid](https://qncdn.chemcd.cn/ampyridine/AM248382.png "AM248382 | 1416438-50-0 | 4-Chloro-6-fluoropyrrolo[1,2-b]pyridazine-3-carboxylic acid")
![AM248381 | 1416438-69-1 | Ethyl 4-chloro-6-fluoropyrrolo[1,2-b]pyridazine-3-carboxylate](https://qncdn.chemcd.cn/ampyridine/AM248381.png "AM248381 | 1416438-69-1 | Ethyl 4-chloro-6-fluoropyrrolo[1,2-b]pyridazine-3-carboxylate")
![AM248380 | 1190313-91-7 | 4-Methyl-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid](https://qncdn.chemcd.cn/ampyridine/AM248380.png "AM248380 | 1190313-91-7 | 4-Methyl-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid")