TY  - JOUR 
T1  - NMR Spectroscopy, Hammett Correlations and Biological Activity of Some Schiff Bases Derived from Piperonal
JO  - Journal of the Brazilian Chemical Society
A1  - Echevarria, Aurea
A1  - Nascimento, Maria da Graça
A1  - Gerônimo, Vanilde
A1  - Miller, Joseph
A1  - Giesbrecht, Astréa
SN  - 0103-5053
UL  - 10.1590/S0103-50531999000100010
VL  - 10 
Y1  - 1999
PB  - Brasil 
ER  -