1,4,5,6-tetrahydropyridazine

O-苯基二(四氢-1(2H)-哒嗪基)膦基硫代酸酯

ethyl diazinane-1-carboxylate

1,2,3,4,6,8,9,10,11,13-decahydrodipyridazino[2,1-b:2',1'-f][1,2,4,5]tetrazine