Chemical Name: 2-((10R,11S,13S,17R)-11,17-dihydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1Hcyclopenta[a]phenanthren-17-yl)-2-oxoethyl butyrate; ; (11β)-11,17-Dihydroxy-21-(1-oxobutoxy)pregn-4-ene-3,20-dione; Cortisol 21-Butyrate;
Smile: O=C1CC[C@@]2(C)C(CCC3C2[C@@H](O)C[C@@]4(C)C3CC[C@]4(O)C(COC(CCC)=O)=O)=C1