. "C18H37NO2"^^ . "A sphing-4-enine in which the double bond is trans."^^ . . . . . . . . . . "sphingosine"^^ . "(2S,3R,4E)-2-aminooctadec-4-ene-1,3-diol"^^ . "(4E)-sphing-4-enine"^^ . "(E)-2-amino-4-octadecan-1,3-diol"^^ . "Sph"^^ . "D-erythro-sphingosine"^^ . "(2S,3R,4E)-2-amino-4-octadecene-1,3-diol"^^ . "(4E)-sphingenine"^^ . "(2S,3R)-(E)-2-amino-1,3-dihydroxy-4-octadecene"^^ . "trans-4-sphingenine"^^ . "(E)-D-erythro-4-octadecene-1,3-diol"^^ . "trans-D-erythro-2-amino-4-octadecene-1,3-diol"^^ . "D-(+)-erythro-1,3-dihydroxy-2-amino-4-trans-octadecene"^^ . "(2S,3R,4E)-2-amino-3-hydroxyoctadec-4-ene-1-ol"^^ . "2-amino-4-octadecene-1,3-diol"^^ . "299.492"^^ . "sphingosine"^^ . .