((1,3-dicarboxypropoxy)hydroxyphosphinyl)-alpha-D-ribofuranosyl)-, (16alpha)- 5,6,7,8-Tetrahydromethanopterin 92481-94-2 H4MPT Pentitol, 1-(4-((1-(2-amino-1,4,5,6,7,8-hexahydro-7-methyl- pentitol,1-[4-[[1-(2-amino-1,4,5,6,7,8-hexahydro-7-methyl-4-oxo-6-pteridinyl)ethyl]amino]phenyl]-1-deoxy-5-O-[5-O-[(1,3-dicarboxypropoxy)hydroxyphosphinyl]pentofuranosyl]-