31.5
[1]. C E Bugg, et al. Calcium binding to carbohydrates. Crystal structure of a hydrated calcium bromide complex of lactose. J Am Chem Soc. 1973 Feb 7;95(3):98-13.
H32-H315-H319-H335
P261-P264-P27-P271-P28-P32+P352-P34+P34-P35+P351+P338-P33-P362+P364-P43+P233-P45-P51
GHS7