<unk>  is a complex biomolecule and used as an antimicrobial agent. It was isolated in 1949 from the microbial organism Aspergillus fumigatus.
Fumagillin
Sultamicillin
Ioglycamic acid
Nafcillin sodium
Piperacillin sodium
Temocillin
Azlocillin
Plicamycin