1-(1'-Germatranyl)ethyl-1-pyrrolidone-2 1-(1-(2,8,9-Trioxa-5-aza-1-germabicyclo(3.3.3)undec-1-yl)ethyl)-2-pyrrolidinone 2-Pyrrolidinone, 1-(1-(2,8,9-trioxa-5-aza-1-germabicyclo(3.3.3)undec-1-yl)ethyl)- 97095-52-8