315-33-3 Actocortin Cortisol, 21,21'-(hydrogen phosphate), monosodium salt Cortisol, 21,21'-(hydrogen phosphate), sodium salt Cortisol, 21,21'-phosphate, sodium salt EINECS 206-251-4 Pregn-4-ene-3,20-dione, 21,21'-(phosphinicobis(oxy))bis(11,17-dihydroxy-, monosodium salt, (11beta)-