What is radical 3 times radical 3

Electron Transfer and Ion Pairs, 15 [1– 3] Radical Anion and Radical Contact Ion Pairs of Dimesityl Tetraketone / Electron Transfer and Ion Pairing, 15 [1-3] Radical Anion and Radical Ion Pairs of Dimesityl Tetraketone

Bock, H., Hänel, P. and Herrmann, H.-F .. "Electron Transfer and Ion Pairs, 15 [1– 3] Radical Anion and Radical Contact Ion Pairs of Dimesityl Tetraketon / Electron Transfer and Ion Pairing, 15 [1 -3] Radical Anion and Radical Ion Pairs of Dimesityl Tetraketone " Journal of Nature Research B, vol. 45, no. 8, 1990, pp. 1197-1204. https://doi.org/10.1515/znb-1990-0815

Bock, H., Hänel, P. & Herrmann, H. (1990). Electron Transfer and Ion Pairs, 15 [1– 3] Radical Anion and Radical Contact Ion Pairs of Dimesityl Tetraketone / Electron Transfer and Ion Pairing, 15 [1-3] Radical Anion and Radical Ion Pairs of Dimesityl Tetraketone. Journal of Nature Research B, 45(8), 1197-1204. https://doi.org/10.1515/znb-1990-0815

Bock, H., Hänel, P. and Herrmann, H. (1990) Electron Transfer and Ion Pairing, 15 [1– 3] Radical Anion and Radical Contact Ion Pairs of Dimesityl Tetraketon / Electron Transfer and Ion Pairing, 15 [1-3 ] Radical Anion and Radical Ion Pairs of Dimesityl Tetraketone. Zeitschrift für Naturforschung B, Vol. 45 (Issue 8), pp. 1197-1204. https://doi.org/10.1515/znb-1990-0815

Bock, H., Hänel, P. and Herrmann, H.-F .. "Electron Transfer and Ion Pairs, 15 [1– 3] Radical Anion and Radical Contact Ion Pairs of Dimesityl Tetraketon / Electron Transfer and Ion Pairing, 15 [1 -3] Radical Anion and Radical Ion Pairs of Dimesityl Tetraketone " Journal of Nature Research B 45, no. 8 (1990): 1197-1204. https://doi.org/10.1515/znb-1990-0815

Bock H, Hänel P, Herrmann H. Electron Transfer and Ion Pairs, 15 [1– 3] Radical Anion and Radical Contact Ion Pairs of Dimesityl Tetraketon / Electron Transfer and Ion Pairing, 15 [1-3] Radical Anion and Radical Ion Pairs of Dimesityl tetraketone. Journal of Nature Research B. 1990; 45 (8): 1197-1204. https://doi.org/10.1515/znb-1990-0815