12-Hydroxy-9-octadecenoic acid, glycerol ester(3:1), tris(sodium sulfate) 67919-46-4 9-Octadecenoic acid, 12-(sulfooxy)-, 1,1',1''-(1,2,3-propanetriyl) ester, trisodium salt, (9Z,9'Z,9''Z,12R,12'R,12''R)- EINECS 267-752-1 Trisodium propane-1,2,3-triyl tris(12-(sulphonatooxy)octadec-9-enoate), stereoisomer