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. Author manuscript; available in PMC: 2012 Jun 1.
Published in final edited form as: Future Med Chem. 2011 Aug;3(10):1289–1306. doi: 10.4155/fmc.11.77

Table 1. Potency of selected phosphodiesterase inhibitors against TbrPDEB.

Compound IC50 (μM)
3-Isobutyl-1-methylxanthine 1704
Sildenafil 42
Dipyridamole 14
Etazolate 36
Ethaverine 27
Trequinsin 13