1-((2,5-Dioxo-4-phenyl-1-imidazolidinyl)acetyl)-4-(diphenylmethyl)piperazine 1-(2-(4-Difenilmetil-piperazin-1-il)-2-oxo-etil)-5-fenil-imidazolidin-2,4-dione [Italian] 109758-04-5 M.G. 16216 Piperazine, 1-((2,5-dioxo-4-phenyl-1-imidazolidinyl)acetyl)-4-(diphenylmethyl)-