ethyl 4-[3-(2-imidazol-1-ylethyl)-4-oxophthalazin-1-yl]benzoate
ethyl 4-[3-(2-imidazol-1-ylethyl)-4-oxo-phthalazin-1-yl]benzoate
4-[3-[2-(1-imidazolyl)ethyl]-4-oxo-1-phthalazinyl]benzoic acid ethyl ester
4-[3-(2-imidazol-1-ylethyl)-4-keto-phthalazin-1-yl]benzoic acid ethyl ester