ethyl 6-oxo-1,4,8-triphenyl-7-oxa-1,2-diazaspiro[4.4]nona-2,8-diene-3-carboxylate
ethyl 6-oxo-1,4,8-triphenyl-7-oxa-1,2-diazaspiro[4.4]nona-2,8-diene-3-carboxylate(ethyl 6-oxo-1,4,8-triphenyl-7-oxa-1,2-diazaspiro[4.4]nona-2,8-diene-3-carboxylate)
CAS: 444790-12-9
化学式: C27H22N2O4
![ethyl 6-oxo-1,4,8-triphenyl-7-oxa-1,2-diazaspiro[4.4]nona-2,8-diene-3-carboxylate](http://res.chembk.com/assets/str/2d/4/44/444790-12-9.png)
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