Which one of the following statements regarding the stereoisomers of D galactose is INCORRECT?
1
D-glucose is a C-4 epimer of galactose.
2
D-talose is a C-2 epimer of galactose.
3
D-mannose is a C-3 epimer of galactose.
4
D-idose is a C-3 epimer of talose.