1,3-Octadecane-4,5-t2-diol, 2-amino-, 1-(dihydrogen phosphate), (2S,3R)- (9CI) 1,3-octadecanediol-[4,5-3H], 2-amino-, 1-(dihydrogen phosphate), (2S,3R)- 315674-01-2 Dihydrosphingosine-1-phosphate, D-erythro, [4,5-3H] [4,5-3H] dihydro-sphingosine-1-phosphate