3-氨基-5-甲基-6-氯哒嗪

3-氨基-6-氯-4-甲基吡嗪

2-(6-chloro-7-methylimidazo[1,2-b]pyridazin-2-yl)acetic acid

2-(6-chloro-8-methylimidazo[1,2-b]pyridazin-2-yl)acetic acid