147528-08-3 5H-Pyrrolo[1,2-d][1,4]benzodiazepine-5-acetic acid, 6,7-dihydro-6-oxo-, phenylmethyl ester, (S)- 6-Oxopyrrolo[1,2-d][1,4]-benzodiazepin-5-acetic acid, benzyl ester AIDS-000634 AIDS000634 Dupont XA259 TIBO pyrrolo AcOBz analog XA 259