Hamid, A.; Sadiq, Z.; Yaqub, G.; Khan, N.; Iqbal, S.; Iqbal, K.; Ijaz, Z.; Bajwa, A. Synthesis and Bioassay of Novel Phenylhydrazine and 2,4-Dinitrophenylhydrazine Substituted Carbazoles. ajc 2013, 25, 5412-5414.