monoalkyl phosphate L-Ascorbate 6-phosphate 0 255.998 256.10400 C6H9O9P CHEBI:80368 InChI=1S/C6H9O9P/c7-2(1-14-16(11,12)13)5-3(8)4(9)6(10)15-5/h2,5,7-9H,1H2,(H2,11,12,13)/t2?,5-/m1/s1 KEGG:C16186 KIENGQUGHPTFGC-DOAHDZERSA-N OC(COP(O)(O)=O)[C@H]1OC(=O)C(O)=C1O chebi_ontology