compound 3-carboxy-1-hydroxypropylthiamine diphosphate InChI=1S/C16H24N4O10P2S/c1-9-13(5-6-29-32(27,28)30-31(24,25)26)33-16(12(21)3-4-14(22)23)20(9)8-11-7-18-10(2)19-15(11)17/h7,12,21H,3-6,8H2,1-2H3,(H5-,17,18,19,22,23,24,25,26,27,28)/p+1 CHEBI:1463 UPa:UPC05381 compound KEGG:C05381 C16H25N4O10P2S