![4,4',4'',4'''-(6,7,9,10,17,18,20,21-八수소二벤젠并[b,k][1,4,7,10,13,16]六산소杂环十八엔-2,3,13,14-四基)四벤젠포름알데히드](/static/images/placeholder.svg)
4,4',4'',4'''-(6,7,9,10,17,18,20,21-八수소二벤젠并[b,k][1,4,7,10,13,16]六산소杂环十八엔-2,3,13,14-四基)四벤젠포름알데히드
4,4',4'',4'''-(6,7,9,10,17,18,20,21-Octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecine-2,3,13,14-tetrayl)tetrabenzaldehyde
4,4',4'',4'''-(6,7,9,10,17,18,20,21-Octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecine-2,3,13,14-tetrayl)tetrabenzaldehyde 98% （contains ~10%solvents）