23590-61-6

5-chloropyrido[2,3-d]pyridazin-8-ol 5-chloropyrido[3,2-d]pyridazin-8(7H)-one 5-chloro-7H-pyrido[2,3-d]pyridazin-8-one 5-Chloro-pyrido[2,3-d]pyridazin-8(7H)-one Pyrido[2,3-d]pyridazin-8(7H)-one,5-chloro-