As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基一步聚苯基碳胺，后者又聚生含氮杂环的多环芳烃。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰合物二聚二苯二亚胺，后者又聚合生含氮杂环的多环芳烃。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基化合物进一步二聚二苯基碳化二亚胺，后者又聚合生含氮杂芳烃。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基进一步二聚二苯基碳二亚胺，后者又聚生含氮杂环的多环芳烃。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基化合物进一步二聚二苯基碳化二亚胺，后者又聚合生含的多芳烃。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基进一步二聚二苯基碳二亚胺，后者又聚生含氮杂环的多环芳烃。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基化合物进一步二聚二苯基碳化二亚胺，后者又聚合生杂环的多环芳烃。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基化合物进一步二聚二苯基碳化二亚胺，后者又聚合生环的多环芳烃。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基化合物进一步二聚二苯基碳化二亚胺，后者又聚合生含氮杂芳烃。