Accessed:

(8R,9S,10R,13S,14S,17R)-13-Methyl-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

Molecular formula:	C21H28O3
Average mass:	328.452
Monoisotopic mass:	328.203845
ChemSpider ID:	147774

6 of 6 defined stereocentres

Structural identifiers

Names

Names and synonyms

Verified

(8R,9S,10R,13S,14S,17R)-13-Methyl-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

[ACD/IUPAC Name]

Spiro[17H-cyclopenta[a]phenanthrene-17,2′(5′H)-furan]-3,5′(2H)-dione, 1,3′,4′,6,7,8,9,10,11,12,13,14,15,16-tetradecahydro-13-methyl-, (8R,9S,10R,13S,14S,17R)-

[ACD/Index Name]

Unverified

1722-54-9

[RN]

19-Nor-17α-pregn-4-ene-21-carboxylic acid, 17-hydroxy-3-oxo-, γ-lactone

19-Nor-17α-pregn-4-ene-21-carboxylic acid, 17-hydroxy-3-oxo-, γ-lactone (8CI)

19-Norpregn-4-ene-21-carboxylic acid, 17-hydroxy-3-oxo-, γ-lactone, (17α)-

19-Norpregn-4-ene-21-carboxylic acid, 17-hydroxy-3-oxo-, γ-lactone, (17α)- (9CI)

Database IDs