18-deoxyaldosterone 18-deoxyaldosterone 18-deoxyaldosterone is a steroidal antimineralocorticoid with mixed agonist–antagonist but predominantly antagonistic activity at the mineralocorticoid receptor. 18-deoxyaldosteroneclinical dataother names11β,18-epoxy-21-hydroxypregn-4-ene-3,20-dionedrug classantimineralocorticoididentifierspubchem cid188963uniis4yt68r2xrcomptox dashboard (epa)dtxsid30947934 chemical and physical dataformulac21h28o4molar mass344.451 g·mol−13d model (jsmol)interactive image smiles c12ccc(=o)c=c1cc324cc5(3cc5c(=o)co)co4 inchi inchi=1s/c21h28o4/c1-20-7-6-13(23)8-12(20)2-3-14-15-4-5-16(17(24)10-22)21(15)9-18(19(14)20)25-11-21/h8,14-16,18-19,22h,2-7,9-11h2,1h3/t14-,15-,16+,18-,19+,20-,21?/m0/s1key:zebltaxshakmdj-qbscywobsa-n