| 3(2h)-pyridazinone, 5-(((3-butoxy-4-methoxyphenyl)methyl)amino)-4-chloro-6-etho |
| 4-chloro-5-(3-n-butoxy-4-methoxybenzylamino)-6-ethoxy-3(2h)-pyridazinone |
| 5-(((3-butoxy-4-methoxyphenyl)methyl)amino)-4-chloro-6-ethoxy-3(2h)-pyri dazi |
| 5-(((3-butoxy-4-methoxyphenyl)methyl)amino)-4-chloro-6-ethoxy-3(2h)-pyridazinon |
