Authors:
Peraza-Sanchez, SR
Chavez, D
Chai, HB
Shin, YG
Garcia, R
Mejia, M
Fairchild, CR
Lane, KE
Menendez, AT
Farnsworth, NR
Cordell, GA
Pezzuto, JM
Kinghorn, AD
Citation: Sr. Peraza-sanchez et al., Cytotoxic constituents of the roots of Ekmanianthe longiflora, J NAT PROD, 63(4), 2000, pp. 492-495
Citation: Hj. Jeong et al., Preparation of amino acid conjugates of betulinic acid with activity against human melanoma, BIOORG MED, 9(8), 1999, pp. 1201-1204