16311-38-9 5-Nitro-6-(4-nitrophenyl)imidazo(2,1-b)thiazole 5-Nitro-6-(p-nitrophenyl)imidazo(2,1-b)thiazole BRN 1087002 CCRIS 2487 Imidazo(2,1-b)thiazole, 5-nitro-6-(p-nitrophenyl)-