15686-71-2
头孢氨苄
→
~43%
34876-35-2
4-hydroxy-3-methyl-2H-thiophen-5-one
616-44-4
3-甲基噻吩
~2%
50370-12-2
头孢羟氨苄
57872-62-5
30959-67-2
31461-05-9