PF-9404C is the S-S diesteroisomer of a beta adrenergic receptors blocker with vasodilatory properties. PF9404C increased the formation of cyclic GMP from 3 pmol mg−1 protein in basal conditions, to 53 pmol mg−1 protein in 10 μM in rat aorta smooth muscle
(Rac)-PF-998425 is a potent, selective, nonsteroidal antagonist of the androgen receptor (AR), with IC50 values of 26 nM and 90 nM in AR binding and cellular assays, respectively. This compound shows promise for investigating androgenetic alopecia.