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4,7-Dibromobenzo[c][1,2,5]selenadiazole: BD24740163224-42-098%; ￥281.01g

4,7-Bis(5-bromothiophen-2-yl)benzo[c][1,2,5]selenadiazole: BD247402534591-72-598%; ￥2452.01g

4,9-Dibromonaphtho[2,3-c][1,2,5]selenadiazole: BD01418917364333-02-895%; ￥330.0100mg

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