1,3-Octadecane-4,5-t2-diol, 2-amino-, (2S,3R)- (9CI) 263352-56-3 [4,5-3H2]-1,3-octadecanediol, 2-amino-, (2S,3R)- [4,5-3H2]-D-erythro-DHS [4,5-3H2]-D-erythro-Dihydrosphingosine