For other salt forms please inquire. Selective and membrane-permeant inhibitor of both cyclic GMP dependent protein kinase I a and I ß and of retinal cGMP-gated ion channels. Resistant against mammalian cyclic nucleotide-dependent phosphodiesterases, no metabolic side effects. More lipophilic and membrane-permeant compared to Rp-8-pCPT-cGMPS (Cat. No. C 013). Detailed technical information and updated reference list available on request. Reference: Butt et. al., Br. J. Pharmacol., 116, 3110 - 3116 (1995).