4755-77-5
草酰氯单乙酯
+
1115-69-1
N-乙酰-DL-丙氨酸
→
454426-80-3
ethyl 3-acetamido-2-oxobutanoate
439084-06-7
N-{1-[3-(3,4-Dimethoxybenzyl)-5-oxo-2,5-dihydro-1,2,4-triazin-6-y l]ethyl}acetamide