2,4-二氧代-9-苯甲基-3,9-二氮杂螺[5.5]十一烷-1,5-二甲腈

2,4-Dioxo-9-(phenylmethyl)-3,9-diazaspiro[5.5]undecane-1,5-dicarbonitrile · CAS 189333-46-8