Arformoterol intermediate
C25H29NO4
Exact Mass: 407.21
Mol. Wt.: 407.5
m/e: 407.21 (100.0%), 408.21 (27.6%), 409.22 (3.6%)
C, 73.68; H, 7.17; N, 3.44; O, 15.70
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