236-81-7

 1,4-Epoxynaphthalene(8CI,9CI)

C₁₀H₆O

236-86-2

 1,4-Epithionaphthalene(8CI,9CI)

C₁₀H₆S

236-88-4

 5,8-Methanoquinazoline(8CI,9CI)

C₉H₆N₂

237-05-8

 4,7-Methanoazulene

C₁₁H₈

237-18-3

 2,5-Metheno-5H-1-benzopyran(9CI)

C₁₀H₆O

237-44-5

 Benzo[6,7]cyclohept[1,2-b]indole(8CI,9CI)

C₁₇H₁₁N

238-01-7

 Acenaphtho[1,2-b]dibenzo[f,h]quinoxaline(8CI,9CI)

C₂₆H₁₄N₂

238-04-0

 nafto[1,2-K]fluoranthen

C₂₄H₁₄

238-05-1

 Acenaphtho[1,2-b]benzo[f]quinoline(6CI,7CI,8CI,9CI)

C₂₃H₁₃N

238-06-2

 6b,9a-dihydroacenafton[1,2-b]benzo[f]chinoxalin

C₂₂H₁₄N₂

238-06-2

 6b,9a-dihydroacenafton[1,2-b]benzo[f]chinoxalin

C₂₂H₁₄N₂

238-63-1

 16H-Benzo[i][1]benzoselenopheno[3',2':4,5]benzo[1,2-a]carbazole

C₂₆H₁₅NSe

238-67-5

 (6aR,12aR)-6a,12a-dihydro-6H-[1,3]dioxolo[5,6][1]benzofuro[3,2-c]furo[3,2-g]chromen

C₁₈H₁₂O₅

238-69-7

 [1,3]Dioxolo[5',6']indolo[2',3':3,4]pyrido[2,1-b]quinazoline(8CI,9CI)

C₁₉H₁₁N₃O₂