1-Ethenyl-2,8,9-trioxa-5-aza-1-germabicyclo(3.3.3)undecane 1-Vinylgermatrane 2,8,9-Trioxa-5-aza-1-germabicyclo(3.3.3)undecane, 1-ethenyl- 76211-47-7 BRN 3948937