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type anything, see the structure
Practice naming
Draw
Caffeine
Recognised as a common name
read as common name
C
0
N
1
C
2
N
3
C
4
C
5
C
6
O
7
N
8
C
9
C
10
O
11
N
12
C
13
Hydrogens
✓
Carbon labels
✓
Atom numbers
R/S labels
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