C
18
H
21
NO
4
Related molecular formulas
C
18
H
23
N
O
4
C
17
H
19
N
O
4
C
18
H
21
N
O
4
C
19
H
23
N
O
4
C
18
H
19
N
O
4
C
18
H
21
N
O
3
C
18
H
21
N
O
5
C
18
H
20
O
4
C
18
H
22
N
2
O
4
The
molecular formula
C
18
H
21
NO
4
(molar mass: 315.36 g/mol) may refer to:
Codeine-
N
-oxide
Homolycorine
14-Methoxydihydromorphinone
14-Hydroxycodeine
Oxycodone
2C2-NBOMe