Table 4. Chemical shifts of the H-5 proton resonance in the major and minor isomers of compounds 28 and 29.

compound	triazolyl H-5 resonancea	Δδ ppmb
Major isomer of 28	8.04 ppm
Minor isomer of 28	6.91 ppm
Z-29	7.65 ppm
E-29	6.54 ppm

^aObtained at 500 MHz in CDCl₃;

^bδ ppm of major isomer – δ ppm of minor isomer.