2β,3β-Epoxy-3-methyl-5α-androstan-17β-ol acetate
2α,3α-Epoxy-3-methyl-5α-androstan-17β-ol acetate
2',3',5'-三-O-乙酰-2-氨基-6-氯嘌呤核苷
2-[3,5-di-(naphthalen-2-yl)-phenyl]-naphthalen
2,4,4-Trimethyl-1-pentanol
2,3,5,6,7,8,9,10-Octahydro-5-(2-hydroxyethoxy)-2,2,7,7,9-pentamethyl-5,9-methanobenzocycloocten-4(1H)-one
2,3,5,6,7,8,9,10-Octahydro-5-(2-hydroxyethoxy)-2,2,7,7,9-pentamethyl-5,9-methanobenzocycloocten-4(1H)-one
2',3'-O-(isopropylidene)uridine 5'-acetate
2,3,3-Trichloro-1,4-oxathiane
2-Amino-5-hydroxy-2,4,6-cycloheptatrien-1-one
2-Bromo-4,5-methylenedioxybenzaldehyde
2,6-dimethyl-3H,4H,5H,6H,7H,8H-pyrido[4,3-d]pyrimidin-4-one
2H-Pyrido[1,2-a]pyrazin-3(4H)-one,hexahydro-(8CI)
2-AMINO-[1,8]NAPHTHYRIDINE-3-CARBONITRILE
2-Methoxy-1,8-naphthyridine