Guanylyl- (3' −> 5')- guanosine- 3'- O- phosphate ( GpGp / 5'-(rG)p(rG)p-3' / 3’5’-GpGp ), sodium salt
Guanylyl- (3' −> 5')- adenosine ( GpA ), sodium salt
Guanosine- 5'- diphospho- β- L- fucose ( GDP-Fuc ), sodium salt
Flavin- N⁶- (5- carboxypentyl)adenine dinucleotide ( 6-CP-FAD ), sodium salt
Quantification of (p)ppGpp in biological systems