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Chapter 15 495
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48.
d.
CH
3
CH
2
C N
e.
f.
g.
h.
i.
j.
k.
O
C
O
CH
2
CH
3
C
CH
3
CH
2
CH
2
CH
2
CH
2
NCH
3
CH
3
C
CH
3
CH
2
CH
2
CCH
2
NH
2
CH
3
CH
3
C
Cl
C
CH
3
CH
2
NH
2
O
CH
3
_
Na
+
O
C
N
O
O
O
O
C
O
C
O
C
O
Cl
O
a.
b.
c.
O
OH
49.
a.
pentanoyl chloride
valeryl chloride
b.
N,N
-dimethylbutanamide
N,N
-dimethylbutyramide
c.
(
S
)-3-methylpentanoic acid
(
S
)-
b
-methylvaleric acid
d.
propyl propanoate
propyl propionate
e.
acetic benzoic anhydride
benzoic ethanoic anhydride
f.
propanoic anhydride
propionic anhydride
g.
5-ethylheptanoic acid
h.
(
R
)-3-methylhexanenitrile