Organic chemistryOrganic chemistry Z 0200 Small Boranes, Carboranes, and Heterocarboranes -[41 refs.]. -(SIEBERT, W.; MAIER, C.-J.; MAIER, A.; GREIWE, P.; BAYER, M. J.; HOFMANN, M.; PRITZKOW, H.; Pure Appl. Chem. 75 (2003) 9, 1277-1286; Anorg.-Chem. Inst., Ruprecht-Karls-Univ., D-69120 Heidelberg, Germany; Eng.) -Lindner 06-275