Exact Mass: 544.2798

2-deoxy-20-hydroxyecdysone 22-phosphate

D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006728 - Hormones

(4S,5R,10S)-11,15-dihydroxy-7-drimene-15-O-(3-hydroxy-3-methylglutaryl)-11-O-beta-D-glucopyranoside|11,15-dihydroxy-15-O-beta-(3-hydroxy-3-methylglutaryl)-7-drimene-11-O-beta-D-glucopyranoside|saxifragoside A

(4S,5R,10S)-11,15-dihydroxy-7-drimene-15-O-(3-hydroxy-3-methylglutaryl)-11-O-beta-D-glucopyranoside|11,15-dihydroxy-15-O-beta-(3-hydroxy-3-methylglutaryl)-7-drimene-11-O-beta-D-glucopyranoside|saxifragoside A

15-Demethylmacbecin I|15-O-desmethyl-macbecin

C29H40N2O8 (544.2785)

His Asn Phe Lys

(2S)-6-amino-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-carbamoylpropanamido]-3-phenylpropanamido]hexanoic acid

Phe His Lys Asn

(2S)-2-[(2S)-6-amino-2-[(2S)-2-[(2S)-2-amino-3-phenylpropanamido]-3-(1H-imidazol-4-yl)propanamido]hexanamido]-3-carbamoylpropanoic acid

Phe His Asn Lys

(2S)-6-amino-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-phenylpropanamido]-3-(1H-imidazol-4-yl)propanamido]-3-carbamoylpropanamido]hexanoic acid

Phe Lys His Asn

(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-2-amino-3-phenylpropanamido]hexanamido]-3-(1H-imidazol-4-yl)propanamido]-3-carbamoylpropanoic acid

Phe Lys Asn His

(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-2-amino-3-phenylpropanamido]hexanamido]-3-carbamoylpropanamido]-3-(1H-imidazol-4-yl)propanoic acid

Phe Asn His Lys

(2S)-6-amino-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-phenylpropanamido]-3-carbamoylpropanamido]-3-(1H-imidazol-4-yl)propanamido]hexanoic acid

Phe Asn Lys His

(2S)-2-[(2S)-6-amino-2-[(2S)-2-[(2S)-2-amino-3-phenylpropanamido]-3-carbamoylpropanamido]hexanamido]-3-(1H-imidazol-4-yl)propanoic acid

His Phe Lys Asn

(2S)-2-[(2S)-6-amino-2-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-phenylpropanamido]hexanamido]-3-carbamoylpropanoic acid

His Phe Asn Lys

(2S)-6-amino-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-phenylpropanamido]-3-carbamoylpropanamido]hexanoic acid

His Lys Phe Asn

(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]hexanamido]-3-phenylpropanamido]-3-carbamoylpropanoic acid

His Lys Asn Phe

(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]hexanamido]-3-carbamoylpropanamido]-3-phenylpropanoic acid

His Asn Lys Phe

(2S)-2-[(2S)-6-amino-2-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-carbamoylpropanamido]hexanamido]-3-phenylpropanoic acid

Lys Phe His Asn

(2S)-3-carbamoyl-2-[(2S)-2-[(2S)-2-[(2S)-2,6-diaminohexanamido]-3-phenylpropanamido]-3-(1H-imidazol-4-yl)propanamido]propanoic acid

Lys Phe Asn His

(2S)-2-[(2S)-3-carbamoyl-2-[(2S)-2-[(2S)-2,6-diaminohexanamido]-3-phenylpropanamido]propanamido]-3-(1H-imidazol-4-yl)propanoic acid

Lys His Phe Asn

(2S)-3-carbamoyl-2-[(2S)-2-[(2S)-2-[(2S)-2,6-diaminohexanamido]-3-(1H-imidazol-4-yl)propanamido]-3-phenylpropanamido]propanoic acid

Lys His Asn Phe

(2S)-2-[(2S)-3-carbamoyl-2-[(2S)-2-[(2S)-2,6-diaminohexanamido]-3-(1H-imidazol-4-yl)propanamido]propanamido]-3-phenylpropanoic acid

Lys Asn Phe His

(2S)-2-[(2S)-2-[(2S)-3-carbamoyl-2-[(2S)-2,6-diaminohexanamido]propanamido]-3-phenylpropanamido]-3-(1H-imidazol-4-yl)propanoic acid

Lys Asn His Phe

(2S)-2-[(2S)-2-[(2S)-3-carbamoyl-2-[(2S)-2,6-diaminohexanamido]propanamido]-3-(1H-imidazol-4-yl)propanamido]-3-phenylpropanoic acid

Asn Phe His Lys

(2S)-6-amino-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-phenylpropanamido]-3-(1H-imidazol-4-yl)propanamido]hexanoic acid

Asn Phe Lys His

(2S)-2-[(2S)-6-amino-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-phenylpropanamido]hexanamido]-3-(1H-imidazol-4-yl)propanoic acid

Asn His Phe Lys

(2S)-6-amino-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-(1H-imidazol-4-yl)propanamido]-3-phenylpropanamido]hexanoic acid

Asn His Lys Phe

(2S)-2-[(2S)-6-amino-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-(1H-imidazol-4-yl)propanamido]hexanamido]-3-phenylpropanoic acid

Asn Lys Phe His

(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-2-amino-3-carbamoylpropanamido]hexanamido]-3-phenylpropanamido]-3-(1H-imidazol-4-yl)propanoic acid

Asn Lys His Phe

(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-2-amino-3-carbamoylpropanamido]hexanamido]-3-(1H-imidazol-4-yl)propanamido]-3-phenylpropanoic acid

Asn Gln Gln Arg

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-4-carbamoylbutanamido]-4-carbamoylbutanamido]-5-carbamimidamidopentanoic acid

Asn Gln Arg Gln

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-4-carbamoylbutanamido]-5-carbamimidamidopentanamido]-4-carbamoylbutanoic acid

Asn Arg Gln Gln

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-5-carbamimidamidopentanamido]-4-carbamoylbutanamido]-4-carbamoylbutanoic acid

Pro Arg Ser Trp

(2S)-2-[(2S)-2-[(2S)-5-carbamimidamido-2-[(2S)-pyrrolidin-2-ylformamido]pentanamido]-3-hydroxypropanamido]-3-(1H-indol-3-yl)propanoic acid

Pro Arg Trp Ser

(2S)-2-[(2S)-2-[(2S)-5-carbamimidamido-2-[(2S)-pyrrolidin-2-ylformamido]pentanamido]-3-(1H-indol-3-yl)propanamido]-3-hydroxypropanoic acid

Pro Ser Arg Trp

(2S)-2-[(2S)-5-carbamimidamido-2-[(2S)-3-hydroxy-2-[(2S)-pyrrolidin-2-ylformamido]propanamido]pentanamido]-3-(1H-indol-3-yl)propanoic acid

Pro Ser Trp Arg

(2S)-5-carbamimidamido-2-[(2S)-2-[(2S)-3-hydroxy-2-[(2S)-pyrrolidin-2-ylformamido]propanamido]-3-(1H-indol-3-yl)propanamido]pentanoic acid

Pro Trp Arg Ser

(2S)-2-[(2S)-5-carbamimidamido-2-[(2S)-3-(1H-indol-3-yl)-2-[(2S)-pyrrolidin-2-ylformamido]propanamido]pentanamido]-3-hydroxypropanoic acid

Pro Trp Ser Arg

(2S)-5-carbamimidamido-2-[(2S)-3-hydroxy-2-[(2S)-3-(1H-indol-3-yl)-2-[(2S)-pyrrolidin-2-ylformamido]propanamido]propanamido]pentanoic acid

Gln Asn Gln Arg

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carbamoylbutanamido]-3-carbamoylpropanamido]-4-carbamoylbutanamido]-5-carbamimidamidopentanoic acid

Gln Asn Arg Gln

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carbamoylbutanamido]-3-carbamoylpropanamido]-5-carbamimidamidopentanamido]-4-carbamoylbutanoic acid

Gln Gln Asn Arg

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carbamoylbutanamido]-4-carbamoylbutanamido]-3-carbamoylpropanamido]-5-carbamimidamidopentanoic acid

Gln Gln Arg Asn

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carbamoylbutanamido]-4-carbamoylbutanamido]-5-carbamimidamidopentanamido]-3-carbamoylpropanoic acid

Gln Arg Asn Gln

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carbamoylbutanamido]-5-carbamimidamidopentanamido]-3-carbamoylpropanamido]-4-carbamoylbutanoic acid

Gln Arg Gln Asn

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carbamoylbutanamido]-5-carbamimidamidopentanamido]-4-carbamoylbutanamido]-3-carbamoylpropanoic acid

Arg Asn Gln Gln

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-carbamoylpropanamido]-4-carbamoylbutanamido]-4-carbamoylbutanoic acid

Arg Pro Ser Trp

(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-5-carbamimidamidopentanoyl]pyrrolidin-2-yl]formamido}-3-hydroxypropanamido]-3-(1H-indol-3-yl)propanoic acid

Arg Pro Trp Ser

(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-5-carbamimidamidopentanoyl]pyrrolidin-2-yl]formamido}-3-(1H-indol-3-yl)propanamido]-3-hydroxypropanoic acid

Arg Gln Asn Gln

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-4-carbamoylbutanamido]-3-carbamoylpropanamido]-4-carbamoylbutanoic acid

Arg Gln Gln Asn

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-4-carbamoylbutanamido]-4-carbamoylbutanamido]-3-carbamoylpropanoic acid

Arg Ser Pro Trp

(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-hydroxypropanoyl]pyrrolidin-2-yl]formamido}-3-(1H-indol-3-yl)propanoic acid

Arg Ser Trp Pro

(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-hydroxypropanamido]-3-(1H-indol-3-yl)propanoyl]pyrrolidine-2-carboxylic acid

Arg Trp Pro Ser

(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-(1H-indol-3-yl)propanoyl]pyrrolidin-2-yl]formamido}-3-hydroxypropanoic acid

Arg Trp Ser Pro

(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-3-(1H-indol-3-yl)propanamido]-3-hydroxypropanoyl]pyrrolidine-2-carboxylic acid

Ser Pro Arg Trp

(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-3-hydroxypropanoyl]pyrrolidin-2-yl]formamido}-5-carbamimidamidopentanamido]-3-(1H-indol-3-yl)propanoic acid

Ser Pro Trp Arg

(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-3-hydroxypropanoyl]pyrrolidin-2-yl]formamido}-3-(1H-indol-3-yl)propanamido]-5-carbamimidamidopentanoic acid

Ser Arg Pro Trp

(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-5-carbamimidamidopentanoyl]pyrrolidin-2-yl]formamido}-3-(1H-indol-3-yl)propanoic acid

Ser Arg Trp Pro

(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-5-carbamimidamidopentanamido]-3-(1H-indol-3-yl)propanoyl]pyrrolidine-2-carboxylic acid

Ser Trp Pro Arg

(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-(1H-indol-3-yl)propanoyl]pyrrolidin-2-yl]formamido}-5-carbamimidamidopentanoic acid

Ser Trp Arg Pro

(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-(1H-indol-3-yl)propanamido]-5-carbamimidamidopentanoyl]pyrrolidine-2-carboxylic acid

Trp Pro Arg Ser

(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-3-(1H-indol-3-yl)propanoyl]pyrrolidin-2-yl]formamido}-5-carbamimidamidopentanamido]-3-hydroxypropanoic acid

Trp Pro Ser Arg

(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-3-(1H-indol-3-yl)propanoyl]pyrrolidin-2-yl]formamido}-3-hydroxypropanamido]-5-carbamimidamidopentanoic acid

Trp Arg Pro Ser

(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-5-carbamimidamidopentanoyl]pyrrolidin-2-yl]formamido}-3-hydroxypropanoic acid

Trp Arg Ser Pro

(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-5-carbamimidamidopentanamido]-3-hydroxypropanoyl]pyrrolidine-2-carboxylic acid

Trp Ser Pro Arg

(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-3-hydroxypropanoyl]pyrrolidin-2-yl]formamido}-5-carbamimidamidopentanoic acid

Trp Ser Arg Pro

(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-3-hydroxypropanamido]-5-carbamimidamidopentanoyl]pyrrolidine-2-carboxylic acid

ILENG

Ile Leu Glu Asn Gly

C23H40N6O9 (544.2857)

NEALV

Asn-Glu-Ala-Leu-Val

C23H40N6O9 (544.2857)

NAEVL

Asn-Ala-Glu-Val-Leu

C23H40N6O9 (544.2857)

2-Dhe-22-P

(22R)-3beta,14,20,25-tetrahydroxy-6-oxo-5beta-cholest-7-en-22-yl dihydrogen phosphate

D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006728 - Hormones

N,N-BIS(3-METHYLPHENYL)-N,N-BIS(4-METHYLPHENYL)-1,1-BIPHENYL-4,4-DIAMINE

(2-butyl-5-nitro-1-benzofuran-3-yl)-[4-[3-(dibutylamino)propoxy]phenyl]methanone,hydrochloride

C30H41ClN2O5 (544.2704)

N,N,N,N-Tetrakis(4-methylphenyl)benzidine

N,N,N,N-Tetrakis(p-tolyl)benzidine

N,N-diphenyl-N,N-bis(2,4-dimethylphenyl)-(1,1-biphenyl)-4,4-diamine

TMB-3

(s)-2,2-binaphthyl-20-crown-6

C34H40O6 (544.2825)

[(2S,3R)-6-hydroxy-6-methyl-2-[(2S,3R,5R,9R,10R,13R,14S,17R)-2,3,14-trihydroxy-10,13-dimethyl-6-oxo-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl]heptan-3-yl] dihydrogen phosphate

[(2S,3R)-6-hydroxy-6-methyl-2-[(2S,3R,5R,9R,10R,13R,14S,17R)-2,3,14-trihydroxy-10,13-dimethyl-6-oxo-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl]heptan-3-yl] dihydrogen phosphate

PA O-24:5;O2

PA P-16:1/8:3;O2

PA 16:1/8:3;O

PA 18:2/6:2;O

PA 20:3/4:1;O

PA 24:4;O

PEth 22:4;O

PM 23:4;O

ST 21:0;O5;GlcA

ST 21:1;O6;Hex

ST 27:2;O6;S

C27H44O9S (544.2706)

[(2s,3r)-2-[(1r,3as,5ar,7r,8s,9ar,9br,11ar)-3a,7,8-trihydroxy-9a,11a-dimethyl-5-oxo-1h,2h,3h,5ah,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-hydroxy-6-methylheptan-3-yl]oxyphosphonic acid

[(2s,3r)-2-[(1r,3as,5ar,7r,8s,9ar,9br,11ar)-3a,7,8-trihydroxy-9a,11a-dimethyl-5-oxo-1h,2h,3h,5ah,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-hydroxy-6-methylheptan-3-yl]oxyphosphonic acid

(2-{3a,7,8-trihydroxy-9a,11a-dimethyl-5-oxo-1h,2h,3h,5ah,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-6-hydroxy-6-methylheptan-3-yl)oxyphosphonic acid

methyl (1r,2r,3s,4s,5r,9s,10s,13r,14r)-2,3-dihydroxy-14-(hydroxymethyl)-5,9-dimethyl-14-{[(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}tetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecane-5-carboxylate

methyl (1r,2r,3s,4s,5r,9s,10s,13r,14r)-2,3-dihydroxy-14-(hydroxymethyl)-5,9-dimethyl-14-{[(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}tetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecane-5-carboxylate

[(2r,3r)-2-[(1s,3as,5ar,7s,9ar,9br,11ar)-3a,7-dihydroxy-9a,11a-dimethyl-5-oxo-1h,2h,3h,5ah,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2,6-dihydroxy-6-methylheptan-3-yl]oxyphosphonic acid

(2s)-1-[(2s)-2-({[(2r)-1-[(2s)-2-amino-3-phenylpropanoyl]pyrrolidin-2-yl](hydroxy)methylidene}amino)-3-(1h-indol-3-yl)propanoyl]pyrrolidine-2-carboximidic acid

C30H36N6O4 (544.2798)

[(2s)-2-[(1r,5ar,7r,8s,9ar,9br,11ar)-3a,7,8-trihydroxy-9a,11a-dimethyl-5-oxo-1h,2h,3h,5ah,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-hydroxy-6-methylheptan-3-yl]oxyphosphonic acid

methyl (1r,2r,3s,4s,5r,9s,10s,13s,14r)-2,3-dihydroxy-14-(hydroxymethyl)-5,9-dimethyl-14-{[(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}tetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecane-5-carboxylate

methyl (1r,2r,3s,4s,5r,9s,10s,13s,14r)-2,3-dihydroxy-14-(hydroxymethyl)-5,9-dimethyl-14-{[(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}tetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecane-5-carboxylate

[(1r,3as,5ar,7r,8s,9ar,9br,11ar)-1-[(2s,3r)-3,6-dihydroxy-6-methylheptan-2-yl]-3a,8-dihydroxy-9a,11a-dimethyl-5-oxo-1h,2h,3h,5ah,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-yl]oxyphosphonic acid

[(1r,3as,5ar,7r,8s,9ar,9br,11ar)-1-[(2s,3r)-3,6-dihydroxy-6-methylheptan-2-yl]-3a,8-dihydroxy-9a,11a-dimethyl-5-oxo-1h,2h,3h,5ah,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-yl]oxyphosphonic acid

1-[2-({[1-(2-amino-3-phenylpropanoyl)pyrrolidin-2-yl](hydroxy)methylidene}amino)-3-(1h-indol-3-yl)propanoyl]pyrrolidine-2-carboximidic acid

C30H36N6O4 (544.2798)

(2-{3a,7-dihydroxy-9a,11a-dimethyl-5-oxo-1h,2h,3h,5ah,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-2,6-dihydroxy-6-methylheptan-3-yl)oxyphosphonic acid

methyl 2,3-dihydroxy-14-(hydroxymethyl)-5,9-dimethyl-14-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}tetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecane-5-carboxylate

[(2s,3r)-2-[(1r,5ar,7r,8s,9ar,9br,11ar)-3a,7,8-trihydroxy-9a,11a-dimethyl-5-oxo-1h,2h,3h,5ah,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-hydroxy-6-methylheptan-3-yl]oxyphosphonic acid