环庚三烯酚酮甲苯磺酸盐

3-(甲氧羰基)-2H-环庚[b]呋喃-2-酮

5-Nitrosotropolone

2-sulfanylcyclohepta-2,4,6-triene-1-thione

3,7-dichloro-2-hydroxycyclohepta-2,4,6-trien-1-one