SM(d18:1/12:0) 646.505 646.923 C35H71N2O6P CHEBI:137334 HZCLJRFPXMKWHR-FEBLJDHQSA-N InChI=1S/C35H71N2O6P/c1-6-8-10-12-14-16-17-18-19-21-22-24-26-28-34(38)33(32-43-44(40,41)42-31-30-37(3,4)5)36-35(39)29-27-25-23-20-15-13-11-9-7-2/h26,28,33-34,38H,6-25,27,29-32H2,1-5H3,(H-,36,39,40,41)/b28-26+/t33-,34+/m0/s1 LIPID_MAPS_instance:LMSP03010002 N-(dodecanoyl)-sphing-4-enine-1-phosphocholine N-lauroyl-D-erythro-Sphingosylphosphoryl choline O(CC[N+](C)(C)C)P([O-])(OC[C@@]([C@@](/C=C/CCCCCCCCCCCCC)(O)[H])(NC(CCCCCCCCCCC)=O)[H])=O chebi_ontology sphingomyelin 30:1