顺式-1,2-环戊二醇

2-[(E)-[(5E)-5-(diaminomethylidenehydrazinylidene)pentylidene]amino]guanidine

(7CI,8CI,9CI)-1,2,3,4-四氢-7-甲基吡啶并[1,2-a]苯并咪唑

1-nitrosopiperidine-2,6-dicarbonitrile

戊二酸