NSC 149709;1,3-Dichlorothieno[3,4-f][2]benzothiole-4,8-dione;1,3-Dichloro-4H,8H-benzo[1,2-c:4,5-c']bisthiophene-4,8-dione;4H,8H-Benzo[1,2-c:4,5-c']dithiophene-4,8-dione,1,3-dichloro-;
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