3,4,5,7-Tetrahydro-1,3-dimethyl-2,6-dioxo-anti-10,syn-11-diphenyl-4,5-ethano-1H-purin-7-carbonsaeure-ethylester

氢胺

(S)-(+)-安息香

(S,S)-(-)-氢化苯偶姻

(R)-(-)-安息香