Pyridine,3,​3'-​[(1R,​2S,​3R,​4S)​-​3,​4-​di-​4-​pyridinyl-​1,​2-​cyclobutanediyl]​bis-(9CI)

Pyridine,3,​3'-​[(1R,​2S,​3R,​4S)​-​3,​4-​di-​4-​pyridinyl-​1,​2-​cyclobutanediyl]​bis-(9CI)