Gakhar, H. K.; Sharma, Alka; Gupta, Shashi Bhushan, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1982, vol. 21, # 5, p. 456 - 457
Gakhar, H. K.; Sharma, Alka; Gupta, Shashi Bhushan, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1982, vol. 21, # 5, p. 456 - 457