2,5-piperazinedione, 3-(1H-imidazol-4-ylmethyl)-6-(1-naphthalenylmethyl)- 3-(1H-imidazol-4-ylmethyl)-6-(1-naphthylmethyl)piperazine-2,5-dione InChI=1/C19H18N4O2/c24-18-16(8-13-6-3-5-12-4-1-2-7-15(12)13)22-19(25)17(23-18)9-14-10-20-11-21-14/h1-7,10-11,16-17H,8-9H2,(H,20,21)(H,22,25)(H,23,24