Use the pair of compounds below to answer the next three questions:
24. What is the correct stereochemical designation for compound II?
a. 2S, 3R, 4R
b. 2R, 3R, 4S
c. 2S, 3S, 4S
d. 2S, 3S, 4R
e. 2R, 3R, 4R
25. What is the correct stereochemical designation for compound I?
a. 2R, 3S, 4S
b. 2S, 3S, 4R
c. 2R, 3R, 4R
d. 2S, 3R, 4R
e. 2S, 3S, 4S
26. What term best describes the structural relationship between the two compounds?
a. constitutional isomers
b. not isomeric
c. diastereomers
d. identical
e. enantiomers