157381-55-0 AIDS-006314 AIDS006314 RPI-856 D Val-ADPAA-Leu-AOPBA-Val-Val Valyl-[2-amino-2-(3,5-dihydroxyphenyl)acetic acid]-leucyl-[3-amino-2-oxo-4-phenylbutyric acid]-valyl-valine, diastereoisomer of RPI-856C