23498-38-6 Lankacidin C 8,14-diacetate Lankacidin C diacetate Propanamide, N-(7,13-bis(acetyloxy)-1,4,10,19-tetramethyl-17,18-dioxo-16-oxabicyclo(13.2.2)nonadeca-3,5,9,11-tetraen-2-yl)-, diacetate (ester) (all-E-(1S,2R,7S,13S,15R,19R)- Propanamide, N-(7,13-bis(acetyloxy)-1,4,10,19-tetramethyl-17,18-dioxo-16-oxabicyclo(13.2.2)nonadeca-3,5,9,11-tetraen-2-yl)-2-oxo-, (1S-(1R*,2S*,3E,5E,7R*,9E,11E,13R*,15S*,19S*))-