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

L-β-Oleoyl-γ-palmitoyl-α-cephalin

2-Oxoadipic acid

2-氧代己二酸 单钠盐

2-Phenyl-3,4-dihydro-5H-naphtho[1,8-bc]furan-5-one

2-Tetrahydro-2-furanyl-1H-imidazole-4-carbaldehyde

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

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

2,2′-Bis[4-(trifluoromethyl)phenyl]-5,5′-bithiazole

2,2-Dichloropentanal

2,2,6-Trimethyl-4-chromanol

2,3-Dichlorobenzenesulfonic acid

2,4-Dichloro-6-cyclopropyl-1,3,5-triazine

2,4-Dimethoxybenzenesulfonic acid

2,4,6-Tri(p-tolyl)pyrylium tetrafluoroborate salt

2,4,6-三（ p -甲苯基）吡喃 四氟硼酸盐

2,5-Dibromohexanediamide

2,5-二溴己二酰胺

2,5-Dimethylphenylzinc iodide solution

2,5-二甲基苯基碘化锌 溶液

2,6-Dichloro-1-methyl-1H-benzimidazole