G. Singh, C. Singh, and H. Kaur, “Synthesis of 5-Substitute-3-Aryl-2H,3H-Benzo/Naphtho- [1,2-f] [1,3,4]-Oxadiazepin-2-Thiones as Potential Tranquillizers and Anticonvulsants”, ajc, vol. 7, no. 4, pp. 735–741, Jul. 2012.