左亚叶酸钙

左亚叶酸钙EP杂质I

L028001 31690-11-6
C20H23N7O6 457.44

左亚叶酸钙杂质E

L028002
C15H16N6O4 344.33

左亚叶酸钙杂质3

L028003 7444-29-3
C20H21N7O6 455.42

左亚叶酸钙杂质4

L028004 134-05-4
C20H19N7O7 469.41