Exact Mass: 485.18114380000003

Exact Mass Matches: 485.18114380000003

Found 111 metabolites which its exact mass value is equals to given mass value 485.18114380000003, within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error 0.001 dalton.

Vilanterol

4-{2-[(6-{2-[(2,6-dichlorophenyl)methoxy]ethoxy}hexyl)amino]-1-hydroxyethyl}-2-(hydroxymethyl)phenol

C24H33Cl2NO5 (485.17356680000006)

Asp His Asn Thr

(2S,3R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-3-(1H-imidazol-4-yl)propanamido]-3-carbamoylpropanamido]-3-hydroxybutanoic acid

C18H27N7O9 (485.1870172)

Asp His Gln Ser

(3S)-3-amino-3-{[(1S)-1-{[(1S)-3-carbamoyl-1-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}propyl]carbamoyl}-2-(1H-imidazol-4-yl)ethyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

Asp His Ser Gln

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-3-(1H-imidazol-4-yl)propanamido]-3-hydroxypropanamido]-4-carbamoylbutanoic acid

C18H27N7O9 (485.1870172)

Asp His Thr Asn

(2S)-2-[(2S,3R)-2-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-3-(1H-imidazol-4-yl)propanamido]-3-hydroxybutanamido]-3-carbamoylpropanoic acid

C18H27N7O9 (485.1870172)

Asp Asn His Thr

(2S,3R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-3-carbamoylpropanamido]-3-(1H-imidazol-4-yl)propanamido]-3-hydroxybutanoic acid

C18H27N7O9 (485.1870172)

Asp Asn Thr His

(3S)-3-amino-3-{[(1S)-2-carbamoyl-1-{[(1S,2R)-1-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}-2-hydroxypropyl]carbamoyl}ethyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

Asp Gln His Ser

(3S)-3-amino-3-{[(1S)-3-carbamoyl-1-{[(1S)-1-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}-2-(1H-imidazol-4-yl)ethyl]carbamoyl}propyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

Asp Gln Ser His

(3S)-3-amino-3-{[(1S)-3-carbamoyl-1-{[(1S)-1-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}-2-hydroxyethyl]carbamoyl}propyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

Asp Ser His Gln

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-3-hydroxypropanamido]-3-(1H-imidazol-4-yl)propanamido]-4-carbamoylbutanoic acid

C18H27N7O9 (485.1870172)

Asp Ser Gln His

(3S)-3-amino-3-{[(1S)-1-{[(1S)-3-carbamoyl-1-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}propyl]carbamoyl}-2-hydroxyethyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

Asp Thr His Asn

(2S)-2-[(2S)-2-[(2S,3R)-2-[(2S)-2-amino-3-carboxypropanamido]-3-hydroxybutanamido]-3-(1H-imidazol-4-yl)propanamido]-3-carbamoylpropanoic acid

C18H27N7O9 (485.1870172)

Asp Thr Asn His

(3S)-3-amino-3-{[(1S,2R)-1-{[(1S)-2-carbamoyl-1-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}ethyl]carbamoyl}-2-hydroxypropyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

Glu His Asn Ser

(4S)-4-amino-4-{[(1S)-1-{[(1S)-2-carbamoyl-1-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}ethyl]carbamoyl}-2-(1H-imidazol-4-yl)ethyl]carbamoyl}butanoic acid

C18H27N7O9 (485.1870172)

Glu His Ser Asn

(4S)-4-amino-4-{[(1S)-1-{[(1S)-1-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}-2-hydroxyethyl]carbamoyl}-2-(1H-imidazol-4-yl)ethyl]carbamoyl}butanoic acid

C18H27N7O9 (485.1870172)

Glu Asn His Ser

(4S)-4-amino-4-{[(1S)-2-carbamoyl-1-{[(1S)-1-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}-2-(1H-imidazol-4-yl)ethyl]carbamoyl}ethyl]carbamoyl}butanoic acid

C18H27N7O9 (485.1870172)

Glu Asn Ser His

(4S)-4-amino-4-{[(1S)-2-carbamoyl-1-{[(1S)-1-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}-2-hydroxyethyl]carbamoyl}ethyl]carbamoyl}butanoic acid

C18H27N7O9 (485.1870172)

Glu Ser His Asn

(4S)-4-amino-4-{[(1S)-1-{[(1S)-1-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}-2-(1H-imidazol-4-yl)ethyl]carbamoyl}-2-hydroxyethyl]carbamoyl}butanoic acid

C18H27N7O9 (485.1870172)

Glu Ser Asn His

(4S)-4-amino-4-{[(1S)-1-{[(1S)-2-carbamoyl-1-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}ethyl]carbamoyl}-2-hydroxyethyl]carbamoyl}butanoic acid

C18H27N7O9 (485.1870172)

His Asp Asn Thr

(2S,3R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-carboxypropanamido]-3-carbamoylpropanamido]-3-hydroxybutanoic acid

C18H27N7O9 (485.1870172)

His Asp Gln Ser

(3S)-3-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-{[(1S)-3-carbamoyl-1-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}propyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

His Asp Ser Gln

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-carboxypropanamido]-3-hydroxypropanamido]-4-carbamoylbutanoic acid

C18H27N7O9 (485.1870172)

His Asp Thr Asn

(2S)-2-[(2S,3R)-2-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-carboxypropanamido]-3-hydroxybutanamido]-3-carbamoylpropanoic acid

C18H27N7O9 (485.1870172)

His Glu Asn Ser

(4S)-4-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-4-{[(1S)-2-carbamoyl-1-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}ethyl]carbamoyl}butanoic acid

C18H27N7O9 (485.1870172)

His Glu Ser Asn

(4S)-4-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-4-{[(1S)-1-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}-2-hydroxyethyl]carbamoyl}butanoic acid

C18H27N7O9 (485.1870172)

His Asn Asp Thr

(2S,3R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-carbamoylpropanamido]-3-carboxypropanamido]-3-hydroxybutanoic acid

C18H27N7O9 (485.1870172)

His Asn Glu Ser

(4S)-4-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-carbamoylpropanamido]-4-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}butanoic acid

C18H27N7O9 (485.1870172)

His Asn Ser Glu

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-carbamoylpropanamido]-3-hydroxypropanamido]pentanedioic acid

C18H27N7O9 (485.1870172)

His Asn Thr Asp

(2S)-2-[(2S,3R)-2-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-carbamoylpropanamido]-3-hydroxybutanamido]butanedioic acid

C18H27N7O9 (485.1870172)

His Gln Asp Ser

(3S)-3-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-4-carbamoylbutanamido]-3-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

His Gln Ser Asp

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-4-carbamoylbutanamido]-3-hydroxypropanamido]butanedioic acid

C18H27N7O9 (485.1870172)

His Ser Asp Gln

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-hydroxypropanamido]-3-carboxypropanamido]-4-carbamoylbutanoic acid

C18H27N7O9 (485.1870172)

His Ser Glu Asn

(4S)-4-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-hydroxypropanamido]-4-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}butanoic acid

C18H27N7O9 (485.1870172)

His Ser Asn Glu

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-hydroxypropanamido]-3-carbamoylpropanamido]pentanedioic acid

C18H27N7O9 (485.1870172)

His Ser Gln Asp

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-hydroxypropanamido]-4-carbamoylbutanamido]butanedioic acid

C18H27N7O9 (485.1870172)

His Thr Asp Asn

(3S)-3-[(2S,3R)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-hydroxybutanamido]-3-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

His Thr Asn Asp

(2S)-2-[(2S)-2-[(2S,3R)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-hydroxybutanamido]-3-carbamoylpropanamido]butanedioic acid

C18H27N7O9 (485.1870172)

8-Hydroxyondansetron glucuronide

C24H27N3O8 (485.17980620000003)

7-Hydroxyondansetron glucuronide

2,3,4,9-Tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)methyl]-4-oxo-1H-carbazol-7-yl beta-D-glucopyranosiduronic acid

C24H27N3O8 (485.17980620000003)

6-Hydroxyondansetron glucuronide

C24H27N3O8 (485.17980620000003)

Asn Asp His Thr

(2S,3R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-carboxypropanamido]-3-(1H-imidazol-4-yl)propanamido]-3-hydroxybutanoic acid

C18H27N7O9 (485.1870172)

Asn Asp Thr His

(3S)-3-[(2S)-2-amino-3-carbamoylpropanamido]-3-{[(1S,2R)-1-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}-2-hydroxypropyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

Asn Glu His Ser

(4S)-4-[(2S)-2-amino-3-carbamoylpropanamido]-4-{[(1S)-1-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}-2-(1H-imidazol-4-yl)ethyl]carbamoyl}butanoic acid

C18H27N7O9 (485.1870172)

Asn Glu Ser His

(4S)-4-[(2S)-2-amino-3-carbamoylpropanamido]-4-{[(1S)-1-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}-2-hydroxyethyl]carbamoyl}butanoic acid

C18H27N7O9 (485.1870172)

Asn His Asp Thr

(2S,3R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-(1H-imidazol-4-yl)propanamido]-3-carboxypropanamido]-3-hydroxybutanoic acid

C18H27N7O9 (485.1870172)

Asn His Glu Ser

(4S)-4-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-(1H-imidazol-4-yl)propanamido]-4-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}butanoic acid

C18H27N7O9 (485.1870172)

Asn His Ser Glu

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-(1H-imidazol-4-yl)propanamido]-3-hydroxypropanamido]pentanedioic acid

C18H27N7O9 (485.1870172)

Asn His Thr Asp

(2S)-2-[(2S,3R)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-(1H-imidazol-4-yl)propanamido]-3-hydroxybutanamido]butanedioic acid

C18H27N7O9 (485.1870172)

Asn Ser Glu His

(4S)-4-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-hydroxypropanamido]-4-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}butanoic acid

C18H27N7O9 (485.1870172)

Asn Ser His Glu

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-hydroxypropanamido]-3-(1H-imidazol-4-yl)propanamido]pentanedioic acid

C18H27N7O9 (485.1870172)

Asn Thr Asp His

(3S)-3-[(2S,3R)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-hydroxybutanamido]-3-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

Asn Thr His Asp

(2S)-2-[(2S)-2-[(2S,3R)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-hydroxybutanamido]-3-(1H-imidazol-4-yl)propanamido]butanedioic acid

C18H27N7O9 (485.1870172)

Gln Asp His Ser

(3S)-3-[(2S)-2-amino-4-carbamoylbutanamido]-3-{[(1S)-1-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}-2-(1H-imidazol-4-yl)ethyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

Gln Asp Ser His

(3S)-3-[(2S)-2-amino-4-carbamoylbutanamido]-3-{[(1S)-1-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}-2-hydroxyethyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

Gln His Asp Ser

(3S)-3-[(2S)-2-[(2S)-2-amino-4-carbamoylbutanamido]-3-(1H-imidazol-4-yl)propanamido]-3-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

Gln His Ser Asp

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carbamoylbutanamido]-3-(1H-imidazol-4-yl)propanamido]-3-hydroxypropanamido]butanedioic acid

C18H27N7O9 (485.1870172)

Gln Ser Asp His

(3S)-3-[(2S)-2-[(2S)-2-amino-4-carbamoylbutanamido]-3-hydroxypropanamido]-3-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

Gln Ser His Asp

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carbamoylbutanamido]-3-hydroxypropanamido]-3-(1H-imidazol-4-yl)propanamido]butanedioic acid

C18H27N7O9 (485.1870172)

Ser Asp His Gln

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-carboxypropanamido]-3-(1H-imidazol-4-yl)propanamido]-4-carbamoylbutanoic acid

C18H27N7O9 (485.1870172)

Ser Asp Gln His

(3S)-3-[(2S)-2-amino-3-hydroxypropanamido]-3-{[(1S)-3-carbamoyl-1-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}propyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

Ser Glu His Asn

(4S)-4-[(2S)-2-amino-3-hydroxypropanamido]-4-{[(1S)-1-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}-2-(1H-imidazol-4-yl)ethyl]carbamoyl}butanoic acid

C18H27N7O9 (485.1870172)

Ser Glu Asn His

(4S)-4-[(2S)-2-amino-3-hydroxypropanamido]-4-{[(1S)-2-carbamoyl-1-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}ethyl]carbamoyl}butanoic acid

C18H27N7O9 (485.1870172)

Ser His Asp Gln

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-(1H-imidazol-4-yl)propanamido]-3-carboxypropanamido]-4-carbamoylbutanoic acid

C18H27N7O9 (485.1870172)

Ser His Glu Asn

(4S)-4-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-(1H-imidazol-4-yl)propanamido]-4-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}butanoic acid

C18H27N7O9 (485.1870172)

Ser His Asn Glu

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-(1H-imidazol-4-yl)propanamido]-3-carbamoylpropanamido]pentanedioic acid

C18H27N7O9 (485.1870172)

Ser His Gln Asp

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-(1H-imidazol-4-yl)propanamido]-4-carbamoylbutanamido]butanedioic acid

C18H27N7O9 (485.1870172)

Ser Asn Glu His

(4S)-4-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-carbamoylpropanamido]-4-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}butanoic acid

C18H27N7O9 (485.1870172)

Ser Asn His Glu

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-carbamoylpropanamido]-3-(1H-imidazol-4-yl)propanamido]pentanedioic acid

C18H27N7O9 (485.1870172)

Ser Gln Asp His

(3S)-3-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-4-carbamoylbutanamido]-3-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

Ser Gln His Asp

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-4-carbamoylbutanamido]-3-(1H-imidazol-4-yl)propanamido]butanedioic acid

C18H27N7O9 (485.1870172)

Thr Asp His Asn

(3S)-3-[(2S,3R)-2-amino-3-hydroxybutanamido]-3-{[(1S)-1-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}-2-(1H-imidazol-4-yl)ethyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

Thr Asp Asn His

(3S)-3-[(2S,3R)-2-amino-3-hydroxybutanamido]-3-{[(1S)-2-carbamoyl-1-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}ethyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

Thr His Asp Asn

(3S)-3-[(2S)-2-[(2S,3R)-2-amino-3-hydroxybutanamido]-3-(1H-imidazol-4-yl)propanamido]-3-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

Thr His Asn Asp

(2S)-2-[(2S)-2-[(2S)-2-[(2S,3R)-2-amino-3-hydroxybutanamido]-3-(1H-imidazol-4-yl)propanamido]-3-carbamoylpropanamido]butanedioic acid

C18H27N7O9 (485.1870172)

Thr Asn Asp His

(3S)-3-[(2S)-2-[(2S,3R)-2-amino-3-hydroxybutanamido]-3-carbamoylpropanamido]-3-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}propanoic acid

C18H27N7O9 (485.1870172)

Thr Asn His Asp

(2S)-2-[(2S)-2-[(2S)-2-[(2S,3R)-2-amino-3-hydroxybutanamido]-3-carbamoylpropanamido]-3-(1H-imidazol-4-yl)propanamido]butanedioic acid

C18H27N7O9 (485.1870172)

Hydroxyanastrozole Glucuronide

C23H27O7N5 (485.19103920000003)

Carbamic acid, N-[1-[4-(5-chloro-3-phenyl-1,6-naphthyridin-2-yl)phenyl]cyclobutyl]-, 1,1-dimethylethyl ester

C29H28ClN3O2 (485.18699380000004)

Fmoc-Cys(tert-butoxycarnylpropyl)-OH

C26H31NO6S (485.18719860000004)

Vilanterol

C24H33Cl2NO5 (485.17356680000006)

An organochlorine compound that is used in the form of its trifenate salt for treatment of chronic obstructive pulmonary disease. C78273 - Agent Affecting Respiratory System > C29712 - Anti-asthmatic Agent > C319 - Bronchodilator C78272 - Agent Affecting Nervous System > C29747 - Adrenergic Agent > C87053 - Adrenergic Agonist Vilanterol (GW642444) is a long-acting β2-adrenoceptor (β2-AR) agonist with 24 h activity. The pEC50s for β2-AR,β1-AR and β3-AR is 10.37±0.05, 6.98±0.03 and 7.36±0.03, respectively.