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C
21
H
26
N
2
O
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The
molecular formula
C
21
H
26
N
2
O
(molar mass: 322.452 g/mol, exact mass: 322.2045 u) may refer to:
Acetylfentanyl
Benzylfentanyl
(R-4129)
This
set index
page lists chemical structure articles associated with the
same
molecular formula
.
If an
internal link
led you here, you may wish to change the link to point directly to the intended article.