4-硝基-2,6-吡啶二甲酸

5-氧代环戊-1-烯-1-庚酸

ethyl 4-formyl-3,3-dimethylbutanoate

2,6-distyrylpyridine

methanesulfonic acid 1,1,1-trifluoro-1,1'-(2,7-naphthalenedidyl) ester