4-N,N,N-trimethylammonium-(R)-3-isovaleroyloxybutanoic acid Z-3-(5-chlorphthalidyliden)ethyl ester bromide
4-n,n,n-trimethylammonium-(r)-3-isovaleroyloxybutanoic acid z-3-(5-chlorphthalidyliden)ethyl ester bromide