2H-Pyran-2-aceticacid,6-ethoxy-3,6-dihydro-3-hydroxy-,[2R-(2alpha,3bta,6bta)]-(9CI)
2H-Pyran-2-aceticacid,6-ethoxytetrahydro-3-hydroxy-,[2R-(2alpha,3bta,6bta)]-(9CI)
2,2'-Bioxazole, 4,4',5,5'-tetrahydro-4,4'-bis(1-methylethyl)-, (4R,4'R)-
2-[2-(3-Chloro-phenyl)-acetyl]-benzoic acid
2-Cyclobuten-1-one, 4-chloro-2,3-diethyl-
2-(2,5-二氧代-2,5-二氢-1H-吡咯-1-基)-3-甲基丁酸
2H-Pyran-2-one, 4-hydroxy-6-(hydroxymethyl)- (9CI)
2-acetamido-1,4,6-tri-O-acetyl-2,3-dideoxy-3-fluoroglucopyranose
2,3-NAPHTHALENEDICARBONYL DICHLORIDE
2-Pyridinamine,6-ethoxy-1,4,5,6-tetrahydro-4-methyl-3-nitro-,cis-(9CI)
2-Pyridinamine,6-ethoxy-1,4,5,6-tetrahydro-4-methyl-3-nitro-,trans-(9CI)
2,1',3',4',6'-penta-O-acetylsucrose
2-Hexene, 1-chloro-5,5-dimethyl-
2-Ethoxy-2-(2'-phenylsulfonylethyl)-1,3-dioxolane
2'-Deoxy-5'-O-DMT-N2-isobutyryl-a-guanosine