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|colspan="2"|<gallery heights=90px>File:Azarines.svg|[[2-吖丙因]]（2-氮丙烯）</gallery>

|colspan="2"|<gallery heights=80px>File:1-Azetine.svg|[[1-吖丁]]（1-氮环丁烯）File:2-Azetine.svg|[[2-吖丁]]（2-氮环丁烯）File:Oxetene.png|[[2-噁丁]]（氧环丁烯）File:Thietene.png|[[2-噻丁]]（硫环丁烯）</gallery>

|<gallery heights=100px>File:1-pyrroline chemical structure.png|[[1-吡咯啉]]File:2-pyrroline chemical structure.png|[[2-吡咯啉]]File:3-pyrroline chemical structure.png|[[3-吡咯啉]]</gallery>

|<gallery heights=90px>File:2,5-Dihydrofuran'.svg|[[2,5-二氢呋喃]]File:2,3-Dihydrofuran'.svg|[[2,3-二氢呋喃]]</gallery>

|<gallery heights=90px>File:2,5-Dihydrothiophene.svg|[[2,5-二氢噻吩]]File:2,3-Dihydrothiophene'.svg|[[2,3-二氢噻吩]]</gallery>

|<gallery heights=100px>File:Arsole.png|[[砷杂茂]]（[[:en:Arsole|Arsole]]）File:UnsubstitutedPhosphole.png|[[磷杂茂]]（[[:en:Phosphole|Phosphole]]）File:Sulfolane-2D-skeletal.png|[[环丁砜]]</gallery>

|<gallery heights=100px>File:Dihydropyridine.png|[[二氢吡啶]]</gallery>

|<gallery heights=100px>File:1,2,3,4-Tetrahydropyridine.svg|[[1,2,3,4-四氢吡啶]]File:1,2,3,6-Tetrahydropyridine.svg|[[1,2,3,6-四氢吡啶]]File:2,3,4,5-Tetrahydropyridine.svg|[[2,3,4,5-四氢吡啶]]</gallery>

!style="background:#DCDCDC" |[[吡喃]]　[[二氢吡喃]]|<gallery heights=100px>File:2H-Pyran.svg|[[α-吡喃]]（1,2-吡喃）File:4H-Pyran.png|[[γ-吡喃]]（1,4-吡喃）File:3,4-Dihydro-2H-pyran.svg|[[二氢吡喃|3,4-二氢-2''H''-吡喃]]（2,3-二氢吡喃）</gallery>|-!style="background:#DCDCDC" |[[噻喃]]|<gallery heights=100px>File:1,2-Thiapyran.svg|[[α-噻喃]]（1,2-噻喃）File:1,4-Thiapyran.svg|[[γ-噻喃]]（1,4-噻喃）</gallery>|-!style="background:#DCDCDC" |其他|<gallery heights=100px>