Interpeduncular fossa contains
Contents of interpeduncular fossa are  

 Infundibulum
 Mammillary bodies
 Oculomotor nerve
 Posterior perforating substance.
Mammillary bodies, pineal gland, oculomotor nerve, infundibulum
Oculomotor nerve, mammillary bodies, infundibulum, posterior perforating substance
Tuber cinerium, mammillary bodies, oculomotor nerve, anterior perforating substance
Oculomotor nerve, mammillary bodies, optic chiasma, anterior perforating substance