compound 5-methyl-5,6,7,8-tetrahydromethanopterin compound KEGG:C04488 UPa:UPC04488 C31H47N6O16P CHEBI:17349 InChI=1S/C31H47N6O16P/c1-13(22-14(2)34-27-23(37(22)3)28(45)36-31(32)35-27)33-16-6-4-15(5-7-16)10-17(38)24(42)18(39)11-50-30-26(44)25(43)20(52-30)12-51-54(48,49)53-19(29(46)47)8-9-21(40)41/h4-7,13-14,17-20,22,24-26,30,33,38-39,42-44H,8-12H2,1-3H3,(H,40,41)(H,46,47)(H,48,49)(H4,32,34,35,36,45)/t13-,14+,17+,18-,19+,20-,22+,24+,25-,26-,30+/m1/s1