Products from multiple insertion reactions between diisocyanates and antiheteroaromatic 1,4-bis(trimethylsilyl)-1,4-dihydropyrazine: Organosilicon Chem. III, Muench. Silicontage, 3rd. In Torsten Sixt, Fridmann M. Hornung, Anja Ehlend, und Wolfgang. Kaim (Hrsg.), Wiley-VCH Verlag GmbH, 1998. [PUMA: antiheteroarom dihydropyrazine diisocyanate insertion isocyanate review;review silyl]