(R)-3-({4-[(6,7-dihydro[1,4]dioxino[2,3-c]pyridazin-3-ylmethyl)amino]-1-piperidinyl}methyl)-10-fluoro-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinolin-5-one

2-[(3,6-dichloropyridazin-4-yl)oxy]ethan-1-ol

3-ethenyl-6,7-dihydro[1,4]dioxino[2,3-c]pyridazine

6H,7H-[1,4]dioxino[2,3-c]pyridazine-3-carbaldehyde