4H-Pyrrolo[3,4-c]pyridin-4-one, 2,6-bis(acetyloxy)-3,5-dihydro-3-methyl- NSC159920 Pyrrolo[2,3-b]pyrrole-3-carboxylic acid, 2,6-dihydro-5-hydroxy-2-methyl-, acetate (ester), anhydride with acetic acid