fg-4592 int 2, cas 1421312-34-6 MF:C18H15NO4 MW:309.32 CAS:1421312-34-6 Synonyms： ROXA-019 fg-4592 int 2 Fg-4592 FG4592 int 2 4-Hydroxy-1-methyl-7-phenoxy-3-isoquinolinecarboxylic acid methyl ester Roxadustat intermediate methyl 4-hydroxy-1…