参考文献

Dar, Bashir Ahmad; Ahmad, Syed Naseer; Wagay, Mohammad Arif; Hussain, Altaf; Ahmad, Nisar; Bhat, Khursheed Ahmad; Khuroo, Mohammad Akbar; Sharma, Meena; Singh, Baldev Tetrahedron Letters, 2013 , vol. 54, # 36 p. 4880 - 4884