dipyrido[1,2-b:1',2'-e][1,2,4,5]tetrazine*ethylenetetracarbonitrile

Dipyrido<1,2-b:1',2'-e><1,2,4,5>tetrazine / 2,2'-(Cyclohexa-2,5-dien-1,4-diyliden)bis-complex

1-Amino-2-chlorpyridinium-(mesitylen-2-sulfonat)

1-amino-2-methoxypyridinium 2,4,6-trimethylbenzenesulfonate

2-氯吡啶