2-[1-(phenylmethyl)piperidin-4-yl]-N-(6-phenylpyridazin-3-yl)acetamide
2-[1-(phenylmethyl)-4-piperidyl]-N-(6-phenylpyridazin-3-yl)acetamide
2-[1-(phenylmethyl)-4-piperidinyl]-N-(6-phenyl-3-pyridazinyl)acetamide
2-[1-(benzyl)-4-piperidyl]-N-(6-phenylpyridazin-3-yl)acetamide
2-[1-(phenylmethyl)piperidin-4-yl]-N-(6-phenylpyridazin-3-yl)ethanamide