Adrenochrome monoguanylhydrazone methanesulfonate

Methanesulfonic acid, compd. with [(3-hydroxy-1-methyl-6-oxo-5(6H)-indolinylidene)amino]guanidine (7CI)

Guanidine, [(5,6-dihydro-3-hydroxy-1-methyl-6-oxo-5-indolinylidene)amino]-, monomethanesulfonate (salt) (8CI)

2-(1,2,3,6-Tetrahydro-3-hydroxy-1-methyl-6-oxo-5H-indol-5-ylidene)-hydrazinecarboximidamide Monomethanesulfonate Salt