(11aS)-2,3,5,10,11,11a-Hexahydro-10-(methoxymethyl)-2,5,11-trioxo-1H-pyrrolo<2,1-c><1,4>benzodiazepine

(11aS)(Z)-2-ethylidene-2,3,5,10,11,11a-hexahydro-10-methoxymethyl-5,11-dioxo-1H-pyrrolo-<2,1-c><1,4>benzodiazepine

(2S,3'S,11aS)-10-(methoxymethyl)-3'-methyl-1,11a-dihydrospiro[benzo[e]pyrrolo[1,2-a][1,4]diazepine-2,2'-oxirane]-5,11(3H,10H)-dione

(2S,11aS)-2-hydroxy-2-((R)-1-hydroxyethyl)-10-(methoxymethyl)-2,3-dihydro-1H-benzo[e]pyrrolo[1,2-a][1,4]diazepine-5,11(10H,11aH)-dione

(R)-1-((2S,11aS)-2-hydroxy-10-(methoxymethyl)-5,11-dioxo-2,3,5,10,11,11a-hexahydro-1H-benzo[e]pyrrolo[1,2-a][1,4]diazepin-2-yl)ethyl methanesulfonate