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3-[7,7-Bis(2-ethylhexyl)-10-methyl-3,11-dithia-7-silatricyclo[6.3.0.02,6]undeca-1(8),2(6),4,9-tetraen-4-yl]-5-chloro-1-methylthieno[3,4-c]pyrrole-4,6-dione


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