ethyl 7,8,9,10-tetrachloro-5a,11a-dihydro-[1,4]benzodioxino[3,2-d]diazepine-3-carboxylate

ethyl 3,4-diazabicyclo[3.2.0]hepta-2,6-diene-4-carboxylate

N-吡啶-1-基氨基甲酸乙酯