N-tetracosadienoyl-D-galactosylsphingosine
n-tetracosadienoyl-d-galactosylsphingosine
An <em>N</em>-acyl-<small>D</small>-galactosylsphingosine in which the ceramide <em>N</em>-acyl group is composed of 24 carbons and 2 double bonds.