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1·The substituent effect was discussed.

并对取代基效应作了解释。

2·The electronic structures of polyindenoindenes (PInIn) and their derivatives have been studied by self - consistent - field crystal orbital method. The substituent effect is also discussed.

用自洽场全略微分晶体轨道法对聚茚并茚及其取代衍生物的电子结构进行了计算研究，探讨了取代基效应。

3·Results showed that this kind of compounds has excellent photobleaching property. The bleaching effect of phthalocyanines containing halogen substituent is better than the one that is not substituted.

结果表明该类化合物具有很好的光学漂白性，含卤素取代酞菁的漂白效果明显好于不含卤素酞菁的效果。