79484-89-2 Pentitol, 1-(4-((1-(2-amino-1,4-dihydro-7-methyl-4-oxo-6-pteridinyl)ethyl)amino)phenyl)-1-deoxy-5-O-(5-O-((1,3-dicarboxypropoxy)hydroxyphosphinyl)-alpha-D-ribofuranosyl)- methanopterin