Compounds and Methods for the Treatment of COVID-19

The compound (3S)-3-({N-[(4-methoxy-1H-indol-2-yl)carbonyl]-L-leucyl}amino)-2-oxo-4-[(3S)-2-oxopyrrolidin-3-yl]butyl dihydrogen phosphate;

• or a pharmaceutically acceptable salt, solvate or hydrate thereof.

A pharmaceutical composition comprising a therapeutically effective amount of (3S)-3-({N-[(4-methoxy-1H-indol-2-yl)carbonyl]-L-leucyl}amino)-2-oxo-4-[(3S)-2-oxopyrrolidin-3-yl]butyl dihydrogen phosphate, or a pharmaceutically acceptable salt, solvate or hydrate thereof together with a pharmaceutically acceptable carrier.

(canceled)

(canceled)

-145. (canceled)