Ethinyl Estradiol EP Impurity G

(8R,9S,13S,14S,17S)-3-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol

(8R,9S,13S,14S,17R)-17-ethynyl-3-(((8R,9S,13S,14S,17R)-17-ethynyl-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl)oxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-4,17-diol

(8R,9S,13S,14S,17S)-3-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl pentanoate

(8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-9,11,12,13,14,15,16,17-octahydro-8H-cyclopenta[a]phenanthren-17-yl pentanoate

(8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl acetate

(8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-6-oxo-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl pentanoate

(1S,3aS,3bR,10aR,10bS,13S,13aS,15aS,18bS,20aS)-13a,17,17,20a-tetramethyl-2,3,3a,3b,4,5,9,10,10a,10b,11,12,13,13a,14,15,15a,17,18b,19,20,20a-docosahydro-1H-cyclopenta[5,6]naphtho[1,2-b]cyclopenta[5,6]naphtho[2,1-i]xanthene-1,13-diyl dipentanoate

(8R,9S,13S,14S,17R)-4,13-dimethyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol

(8R,9S,13S,14S,17R)-3-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl heptanoate

(6R,8R,9S,13S,14S,17R)-17-ethynyl-3,6-dihydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl acetate

(8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-2-pentanoyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl pentanoate

(8R,9S,13S,14S,17R)-17-ethynyl-2,13-dimethyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol

(8R,9S,13S,14S,17R)-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl hydrogen sulfate, sodium salt

(8R,9S,13S,14S,17S)-3-hydroxy-4,13-dimethyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl pentanoate

(13S,14S,17S)-17-ethynyl-13-methyl-12,13,14,15,16,17-hexahydro-11H-cyclopenta[a]phenanthrene-3,17-diol

(13S,14R,17S)-17-ethynyl-13-methyl-12,13,14,15,16,17-hexahydro-11H-cyclopenta[a]phenanthrene-3,17-diol

(8R,9S,13S,14S,17R)-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl benzoate

2-amino-7-((8R,9S,13S,14S,17S)-3,4,17-trihydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-1-yl)-1H-purin-6(7H)-one

(8R,9S,13S,14S,17S)-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl heptanoate

(8R,9S,13S,14S,17S)-3,17-dihydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-6-one

(8R,9S,13S,14S,17R)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol-D3

(8R,9S,13S,14S,17R)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol

(8R,9S,13S,14S,17R)-17-ethynyl-2,13-dimethyl-9,11,12,13,14,15,16,17-octahydro-8H-cyclopenta[a]phenanthrene-3,17-diol

(8S,13S,14S,17S)-3-hydroxy-13-methyl-7,8,12,13,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-17-yl heptanoate

(8R,9S,13S,14S)-17-ethynyl-3,17-dihydroxy-13-methyl-7,8,11,12,13,14,15,17-octahydro-6H-cyclopenta[a]phenanthren-16(9H)-one