2-Cyclohexylpropanal

2-Decyl-4,5-dihydro-1,3-thiazole

2-Ethyl-N-(2-pyridinylmethyl)-1-hexanamine

2-Hydroxy-5-phenyl-1-propyl-1,5-dihydro-4H-imidazol-4-one

2-Keto-3-(methyl-¹³C,d₁)-butyric-3,4,4,4-d₄ acid sodium salt

2-Methoxy-2,4-diphenyl-3(2H)-furanone

2-甲氧基-2,4-二苯基-3(2H)-呋喃酮

2-Methyl-2-[4-(1-methylcyclohexyl)phenoxy]propanoic acid

2-Methyl-5-(2-thienyl)-3-furoic acid

2-Methyl-8-(3-piperidinylmethoxy)quinoline

2-Oleoyl-1-palmitoyl-sn-glycero-3-phosphocholine

L-β-Oleoyl-γ-palmitoyl-α-lecithin

2-Oxo-2-(1-pyrrolidinyl)ethyl 3-pyrrolidinyl ether

2-Phenyl-2-(2-pyridinyl)ethanamine hydrochloride

2-tert-Butyl-1H-pyrrolo[2,3-b]pyridine

2,2′-[(1S,2S)-(+)-1,2-Cyclohexanediylbis[(E)-(nitrilomethylidyne)]]bis[4-(tert-butyl)-6-(4-morpholinylmethyl)phenol]

N,N′-Bis[(E)-5-(tert-butyl)-2-hydroxy-3-(4-morpholinylmethyl)benzylidene]-[(1S,2S)-1,2-cyclohexanediamine]

2,2′-Bis[(S-1,1′-binaphthyl-2,2′-dimethyl)phosphino]diethylamine

Bis(S-2-(4,5-dihydro-3H-binaphtho[1,2-c;2′,1′-e]-phosphepino)ethyl)amine