Highest development stage: Phase 2

Development dropped

Gram-positive activity

Gram-negative activity

Mechanism of Action/Target pathogen: This compound has isn’t stable at low concentrations against attack; additionally, it has low affinity for Citrobacter freundii

Reason dropped: 1995 Japan withdrew their pre-registration for Bacterial infections - "Unfortunately, the development of cefclidin was
discontinued because eruption could not be avoided
when co-administered with fluorescein, a corneal trauma
indicator" (1)