锇二(2,2'-联吡啶)氯化物

[2,2-联吡啶]-6-甲醛

ethyl 4,4-dimethyl-3-oxohex-5-enoate

4,4'-二氯-2,2'-联吡啶1,1'-二氧化物

4,4'-二溴-2,2'-联吡啶1,1'-二氧化物