85208-10-2
6-[(+/-)-α-amino-α-(2-aminothiazol-4-yl)acetamido]penicillanic acid
+
59703-00-3
4-乙基-2,3-二氧-1-哌嗪甲酰氯
→
85208-19-1
6-[(+/-)-α-(2-aminothiazol-4-yl)-α-(4-ethyl-2,3-dioxopiperazin-1-ylcarbonylamino)acetamido]penicillanic acid
59702-31-7
N-乙基-2,3-二酮哌嗪