7-ACA (7-aminocephalosporanic acid) is the core chemical structure for the synthesis of cephalosporin antibiotics and intermediates. It can be obtained by chemoenzymatic hydrolysis of cephalosporin C.
I bought a flat
Diminished responsibility
You're de ninth person to see
To be suspended in a seventh
Major catastrophe
It's a minor point but gee
Augmented by the sharpness of your
See what I'm going through
A to be with you
In a flat by the sea