A) \[{{({{C}_{22}}{{H}_{54}}{{N}_{4}}{{O}_{21}})}_{n}}\]
B) \[{{({{C}_{21}}{{H}_{54}}{{N}_{4}}{{O}_{22}})}_{n}}\]
C) \[{{({{C}_{22}}{{H}_{54}}{{N}_{4}}{{O}_{13}})}_{n}}\]
D) \[{{({{C}_{22}}{{H}_{24}}{{N}_{4}}{{O}_{21}})}_{n}}\]
Correct Answer: A
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