CAS Number: 132539-07-2
Chemical Name: Remifentanil Hydrochloride
Molecular Formula: C20H29ClN2O5
Molecular Weight: 412.91

CAS Number: 1332691-33-4
Chemical Name: Methyl 4-[acetyl(phenyl)amino]-1-(3-methoxy-3-oxopropyl)piperidine-4-carboxylate
Molecular Formula: C19H26N2O5
Molecular Weight: 362.43

CAS Number: 132875-68-4
Chemical Name: 3-[4-(Methoxycarbonyl)-4-[phenyl(propanoyl)amino]piperidin-1-yl]propanoic Acid
Molecular Formula: C19H26N2O5
Molecular Weight: 362.43

CAS Number: 132875-69-5
Chemical Name: 3-[4-(Methoxycarbonyl)-4-[phenyl(propanoyl)amino]piperidin-1-yl]propanoic Acid Trifluoroacetate Salt
Molecular Formula: C21H27F3N2O7
Molecular Weight: 476.45

CAS Number: 2518277-19-3
Chemical Name: Methyl 1-(3-methoxy-3-oxopropyl)-4-[(2-methyl-3-oxopentanoyl)(phenyl)amino]piperidine-4-carboxylate
Molecular Formula: C23H32N2O6
Molecular Weight: 432.52

CAS Number: 2518276-69-0
Chemical Name: Methyl 3-(2-ethyl-4-oxo-1-phenyl-1,3,8-triazaspiro[4.5]dec-2-en-8-yl)propanoate
Molecular Formula: C19H25N3O3
Molecular Weight: 343.43

CAS Number: 960122-89-8
Chemical Name: Methyl 3-[4-cyano-4-[phenyl(propanoyl)amino]piperidin-1-yl]propanoate
Molecular Formula: C19H25N3O3
Molecular Weight: 343.43

CAS Number: 938184-94-2
Chemical Name: methyl 3-[4-cyano-4-(phenylamino)piperidin-1-yl]propanoate
Molecular Formula: C16H21N3O2
Molecular Weight: 287.36