Muniappan Latha, Leelavinothan Pari, Kunga Mohan Ramkumar, Palanisamy Rajaguru, Thangaraj Suresh, Thangavel Dhanabal, Sandhya Sitasawad and Ramesh Bhonde
Natural Product Research Part A 23 ( 16 ): 1528 - 1540 , 2009