1-(2-Thienyl)-2,8,9-trioxa-5-aza-germabicyclo(3.3.3)undecane 1-(2-Thienyl)germatrane 2,8,9-Trioxa-5-aza-germabicyclo(3.3.3)undecane, 1-(2-thienyl)- 72517-64-7