HRMS	High-resolution mass spectrometry;
HPLC	High-performance liquid chromatography;
LDA	Lithium diisopropylamide;
NMR	Nuclear magnetic resonance;
PG	Protecting group;
TFA	Trifluoroacetic acid.
ER α	Estrogen receptor α
AI	Aromatase inhibitor
SERM	Selective estrogen receptor modulator
SI	Selectivity index
GAPDH	Glyceraldehyde-3-phosphate dehydrogenase
GREB1	Gene regulated in breast cancer 1 protein
AR	Androgen receptor
CDK4	Cyclin-dependent kinase 4
PARP	Poly (ADP-ribose) polymerase 1
Bcl-2	B-cell CLL/lymphoma 2
HT	4-hydroxytamoxifen
MDR	Multidrug-resistant