75-36-5
乙酰氯
+
519186-54-0
N-Carboxylate Melatonin Ethyl Ester
→
~84%
188397-05-9
ethyl 3-(2-acetamidoethyl)-6-acetyl-5-methoxyindole-1-carboxylate
73-31-4
褪黑素