Crystal structure of methyl 2b-ethyl-1a,2a,2b,2b<sup>1</sup>,3,5,10,11-octahydro-1<i>H</i>-oxireno[2′,3′:6,7]indolizino[8,1-<i>cd</i>]carbazole-4-carboxylate, C<sub>21</sub>H<sub>24</sub>N<sub>2</sub>O<sub>3</sub>
Zeitschrift für Kristallographie. New crystal structures/Zeitschrift für Kristallographie. New crystal structures