Garg, C. P.; Sharma, Vinay Prabha; Kapoor, R. P.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1985 , vol. 24, p. 1197 - 1200

Garg, C. P.; Sharma, Vinay Prabha; Chhabra, Vinod; Kapoor, R. P.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1988 , vol. 27, p. 469 - 471