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QL221537
Levonorgestrel Impurity 37
Molecular Formula: C20H26O2
Molecular Weight: 298.43
CAS No.: 7443-72-3
QL221538
Levonorgestrel Impurity 38
Molecular Formula: C21H24O2
Molecular Weight: 308.42
CAS No.: NA
QL221539
Levonorgestrel Impurity 39
Molecular Formula: C21H28O2
Molecular Weight: 312.45
CAS No.: NA
QL221540
Levonorgestrel Impurity 40
Molecular Formula: C21H24O3
Molecular Weight: 324.42
CAS No.: NA
QL221542
Levonorgestrel Impurity 42
Molecular Formula: C22H32O3
Molecular Weight: 344.5
CAS No.: NA
