230.263 507.073 g/mol 250.333 g/mol 234.34 g/mol

C16 H15 N5 O7 S2 . 3 H2 O C15H22O3 C14H22N2O C14H14O3

125110-14-7 137-58-6 25812-30-0 22204-53-1

USP