M. B. Pandey, A. K. Singh, U. Singh, S. Singh and V. B. Pandey
Natural Product Research Part A 22 ( 18 ): 1657 - 1659 , 2008
Luna Jain, M. B. Pandey, Sarita Singh, A. K. Singh and V. B. Pandey
Natural Product Research Part A 23 ( 17 ): 1599 - 1602 , 2009