2.23
[]. Marko Weimar, et al. Enantioselective synthesis of (+)-estrone exploiting a hydrogen bond-promoted Diels-Alder reaction. J Org Chem. 2 Apr 6;75(8):278-2.
H32-H35-H38-H335-H4
P26-P264-P27-P27-P273-P28-P32+P352-P34+P34-P33-P362+P364-P3-P45-P5
GHS5,GHS7,GHS
377