Full text: 
In tribulationibus exaudi nos mitte nobis de caelo auxilium quia multa mala ciricum dederunt nos libera nos Domine Deus noster
Fulltext source: 
I-BV : MS 34
See Th F Kelly 1989 p. 49 a beneventan antiphon and p. 277 for the full text and other sources. P. 151 # O