(8~{S})-7-[(2~{S})-2-(~{tert}-butylcarbamoylamino)-3,3-dimethyl-butanoyl]-~{N}-[(1~{S})-1-cyano-2-[(3~{S})-2-oxidanylidenepyrrolidin-3-yl]ethyl]-1,4-dithia-7-azaspiro[4.4]nonane-8-carboxamide

P0DTC1 — Replicase polyprotein 1a