2-Oxetanone,3-amino-4-methyl-,(3S-trans)-(9CI)
2-(1,3-dihydrobenzoimidazol-2-ylidene)-3-(4-oxo-1-cyclohexa-2,5-dienyl idene)propanenitrile
2-(2-(苄氧基)乙基)丙烷-1,3-二基二乙酸酯
2-Amino-N,N-diphenylacetamide hydrochloride
2-Aziridinecarboxylicacid,1-methyl-3-(1-methylethyl)-,methylester(9CI)
2-乙酰氨基-1,3,4,6-四-O-乙酰基-2-脱氧D-葡萄糖羟肟酸-1,5-内酯
2-乙酰氨基-3,4,6-O-三乙酰基-2-脱氧-D-葡萄糖酸肟-1,5-内酯
2-[(3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyethyl 2-methylprop-2-enoate
2(1H)-Quinolinone,1-methyl-4-(1-methylethyl)-(9CI)
2-Fluoro-6-O-[2-(4-nitrophenyl)ethyl]-2'-dexoyinosine
2,5-DIMETHOXY-4-PROPYLTHIOBENZALDEHYDE
2-[(4R)-4,5-二氢-4-异丙基-2-噁唑啉基]吡啶
22β-(Isobutyryloxy)-3-oxooleana-12-ene-28-oic acid
2-Naphthalenecarboxaldehyde, 4a,8a-dihydro- (9CI)
2-Amino-N-ethyl-3-phenyl-propionamide