methyl 4-[[2-butyl-5-[(Z)-[1-butyl-3-(naphthalen-2-ylmethyl)-2,5-dioxoimidazolidin-4-ylidene]methyl]imidazol-1-yl]methyl]benzoate
methyl 4-[[2-butyl-5-[(Z)-[1-butyl-3-(2-naphthylmethyl)-2,5-dioxo-imidazolidin-4-ylidene]methyl]imidazol-1-yl]methyl]benzoate
4-[[2-butyl-5-[(Z)-[1-butyl-3-(2-naphthylmethyl)-2,5-dioxo-4-imidazolidinylidene]methyl]-1-imidazolyl]methyl]benzoic acid methyl ester
4-[[2-butyl-5-[(Z)-[1-butyl-2,5-diketo-3-(2-naphthylmethyl)imidazolidin-4-ylidene]methyl]imidazol-1-yl]methyl]benzoic acid methyl ester
methyl 4-[[2-butyl-5-[(Z)-[1-butyl-3-(naphthalen-2-ylmethyl)-2,5-dioxo-imidazolidin-4-ylidene]methyl]imidazol-1-yl]methyl]benzoate