Synonyms: 7-propyl spirolactone;(7s,8r,9s,10r,13s,14s,17r)-10,13-dimethyl-7-(propan-2-yl)-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-3'h-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2h,4'h)-dione;(7S,8R,9S,10R,13S,14S,17R)-10,13-dimethyl-7-propan-2-ylspiro[2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-17,5'-oxolane]-2',3-dione;AC1L3UBM;AC1Q1NQJ;KST-1A8349;76676-33-0;AR-1A7171;RU 26752;RU-26752;Pregn-4-ene-21-carboxylic acid, 17-hydroxy-3-oxo-7-propyl-, gamma-lactone, (7alpha,17alpha)-