Compound 29

2,7-Dimethyl (rel-2S,4S)-9,19-diazatetracyclo[10.7.0.0⁴,⁹.0¹³,¹⁸]nonadeca-1(12),5,7,13,15,17-hexaene-2,7-dicarboxylate

From: Biogenetically inspired synthesis and skeletal diversification of indole alkaloids