1 377 Memantine 1.000 2 BR7 Bromomemantine 0.929 3 308 (3s,5s,7s)-tricyclo[3.3.1.1~3,7~]decan-1-amine 0.846 4 LOW (5~{S},7~{R})-3-azanyladamantan-1-ol 0.786 5 ADM Adamantane 0.769 6 EU7 (1s)-1-[(3r,5r,7r)-tricyclo[3.3.1.1~3,7~]decan-1-yl]ethan-1-amine 0.733 7 RIM Rimantadine 0.733 8 ADO Adamantanone 0.714