by Alexander, Ivor C., Pascoe, Keith O., Manchard, Percy, Williams, Lawrence A.D.
Published in Phytochemistry (Oxford) (1991)

by Alexander, I.C, Pascoe, K.O, Manchard, P, Williams, L.A.D. (Chemistry Department, University of the West Indies, Mona, Kingston 7 (Jamaica))
Published in Phytochemistry (United Kingdom) (1991)