為實驗者效勞
Benzoin CAS:119-53-9
250G
Acetic acid glacial CAS No: 64-19-7
Iodine, solution 0,05 mol/l (0,1 N)
CAS : 7553-56-2
L(+)-Tartaric acid
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Acetyl chloride CAS No: 75-36-5