The crystal structure of 2,8-diethyl-1,3,7,9-tetramethyl-4λ<sup>4</sup>,5λ<sup>4</sup>-spiro[dipyrrolo[1,2-<i>c</i>:2′,1′-<i>f</i>][1,3,2]diazaborinine-5,2′-naphtho[1,8-<i>de</i>][1,3,2]dioxaborinine], C<sub>25</sub>H<sub>29</sub>BN<sub>2</sub>O<sub>2</sub>
Zeitschrift für Kristallographie. New crystal structures/Zeitschrift für Kristallographie. New crystal structures