flavin Riboflavin butyrate 656.306 656.725 C33H44N4O10 CAS:752-56-7 CHEBI:32097 InChI=1S/C33H44N4O10/c1-7-11-25(38)44-18-24(46-27(40)13-9-3)30(47-28(41)14-10-4)23(45-26(39)12-8-2)17-37-22-16-20(6)19(5)15-21(22)34-29-31(37)35-33(43)36-32(29)42/h15-16,23-24,30H,7-14,17-18H2,1-6H3,(H,36,42,43)/t23-,24+,30-/m0/s1 KEGG:D01913 MJNIWUJSIGSWKK-BBANNHEPSA-N N1(C[C@@H]([C@@H]([C@H](OC(CCC)=O)COC(CCC)=O)OC(CCC)=O)OC(CCC)=O)C=2C=C(C)C(=CC2N=C3C1=NC(=O)NC3=O)C Riboflavin butyrate chebi_ontology