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Letrozole is currently the most powerful aromatase inhibitor available.In the world of bodybuilding it is used to reduce or eliminate excess estrogen caused by the use of aromatizing steroids.
Letrozole Femara
CAS: 112809-51-5
Assay: 98.0-102.0%
MF: C17H11N5
MW: 285.3
MP: 181-183 degrees
Apperance: White crystalline powder.
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