(6R)-6-[(1E,3Z,5R,7E,9E,11R,13S,14R,15S)-3-ethyl-14-hydroxy-5,9,11,13,15-pentamethyl-12-oxoheptadeca-1,3,7,9-tetraenyl]-5,6-dihydropyran-2-one (6R)-6-[(1E,3Z,5R,7E,9E,11R,13S,14R,15S)-3-ethyl-14-hydroxy-5,9,11,13,15-pentamethyl-12-oxo-heptadeca-1,3,7,9-tetraenyl]-5,6-dihydropyran-2-one (6R)-6-[(1E,3Z,5R,7E,9E,11R,13S,14R,15S)-3-ethyl-14-hydroxy-12-keto-5,9,11,13,15-pentamethyl-heptadeca-1,3,7,9-tetraenyl]-5,6-dihydropyran-2-one 189883-16-7 2H-Pyran-2-one, 6-((1E,3Z,5R,7E,9E,11R,13S,14R,15S)-3-ethyl-14-hydroxy-5,9,11,13,15-pentamethyl-12-oxo-1,3,7,9-heptadecatetraenyl)-5,6-dihydro-, (6R)- 2H-Pyran-2-one, 6-(3-ethyl-14-hydroxy-5,9,11,13,15-pentamethyl-12-oxo-1,3,7,9-heptadecatetraenyl)-5,6-dihydro- NSC708248 2H-Pyran-2-one, 6-[(1E,3Z,5R,7E,9E,11R,13S,14R,15S)-3-ethyl-14-hydroxy-5,9,11,13,15-pentamethyl-12-oxo-1,3,7,9-heptadecatetraenyl]-5,6-dihydro-, (6R)- AIDS-123605 AIDS123605 Callystatin A