TABLE 2

Structure of compounds with agonistic properties at the WT human P2Y₁₂

Backbone	Substances	Side Chain
Backbone	Substances	R1	R2	R3	R4	R5
	ADP	H	OH	OH	O	OH
	ADPβS	H	OH	OH	S	OH
	TNP-ADP	H	C₆N₃O₈H₄		O	OH
	AppNH₂	H	OH	OH	O	NH₂
	ATP	H	OH	OH	O	PO₄H₂
	ATPγS	H	OH	OH	O	PSO₃H₂
	2I-ATPγS	I	OH	OH	O	PSO₃H₂