| Compound | Description |
|---|
| guanosine diphosphate | A guanine nucleotide containing two phosphate groups esterified to the sugar moiety. |
| Guanosine Monophosphate | A guanine nucleotide containing one phosphate group esterified to the sugar moiety and found widely in nature. |
| Guanosine Diphosphate | A guanine nucleotide containing two phosphate groups esterified to the sugar moiety. |
| thromboxane a2 | An unstable intermediate between the prostaglandin endoperoxides and thromboxane B2. The compound has a bicyclic oxaneoxetane structure. It is a potent inducer of platelet aggregation and causes vasoconstriction. It is the principal component of rabbit aorta contracting substance (RCS). |