182362-38-5 C26 fatty acid dihydroceramide Hexacosanamide, N-[(1S,2R)-2-hydroxy-1-(hydroxymethyl)heptadecyl]- (9CI) Hexacosanamide, N-[2-hydroxy-1-(hydroxymethyl)heptadecyl]-, [R-(R*,S*)]- hexacosanamide, N-[(1S,2R)-2-hydroxy-1-(hydroxymethyl)heptadecyl]-