2-hydrazinylcyclohepta-2,4,6-trien-1-one

2H-环戊并(b)呋喃-2-酮

甘菊环-2-胺; 环戊并环庚五烯-2-胺; 薁-2-胺

6-methoxybicyclo[3.2.0]hept-6-en-4-one

2-氨基-2,4,6-环庚三烯-1-酮