compound thiamine diphosphate C12H19N4O7P2S UPa:UPC00068 KEGG:C00068 CHEBI:9532 compound ThPP InChI=1S/C12H18N4O7P2S/c1-8-11(3-4-22-25(20,21)23-24(17,18)19)26-7-16(8)6-10-5-14-9(2)15-12(10)13/h5,7H,3-4,6H2,1-2H3,(H4-,13,14,15,17,18,19,20,21)/p+1 thiamine pyrophosphate