(1S)-2-oxobornane-10-sulphonic acid, compound with 7-[2-(diethylamino)ethyl]-3,7-dihydro-1,3-dimethyl-1H-purine-2,6-dione (1:1)

Etamiphyllin camsylate is a cardiac stimulant with oral activity that increases cardiac output without increasing heart rate. Etamiphyllin camsylate is also a respiratory stimulant used for respiratory failure, as Etamiphyllin camsylate relaxes the smooth muscles of the bronchi and bronchioles, thereby opening up the airways to relieve chronic obstructive pulmonary disease[1][2].

[1] Wieder M E, et al. Identification of etamiphylline and metabolites in equine plasma and urine by accurate mass and liquid chromatography/tandem mass spectrometry[J]. Drug Testing and Analysis, 2010, 2(6): 271-277. DOI:10.1002/dta.133
[2] Dumasia M C, et al. N-Deethylation and N-oxidation of etamiphylline: identification of etamiphylline-N-oxide in greyhound urine by high performance liquid chromatography–mass spectrometry[J]. Journal of pharmaceutical and biomedical analysis, 2005, 36(5): 1085-1091. DOI:10.1016/j.jpba.2004.09.005