5,10-Diaza-15,16-dithiabenzo[h]pentaphene

15,16-Dithia-5,10-diazabenzo[h]pentaphene

BENZO(A)(1,4)BENZOTHIAZINO(3,2-C)PHENOTHIAZINE

15,16-Dithia-5,10-diazanaphtho[2,3-a]benz[c]anthrasene