WLN symbol | Meaning | Allowed branches | Terminating | Locant |
---|---|---|---|---|
A | Locant Only | 0 | Â | \(\checkmark\) |
B | Boron | 3 | Â | \(\checkmark\) |
C | Carbon | 4 exactly | Â | \(\checkmark\) |
D | Open Chelate | 0 | Â | \(\checkmark\) |
E | Bromine | 1 | \(\checkmark\) | \(\checkmark\) |
F | Fluorine | 1 | \(\checkmark\) | \(\checkmark\) |
G | Chlorine | 1 | \(\checkmark\) | \(\checkmark\) |
H | Hydrogen | 1 | \(\checkmark\) | \(\checkmark\) |
I | Iodine | 1 | \(\checkmark\) | \(\checkmark\) |
J | Ring Closure | 0 | Â | \(\checkmark\) |
K | Nitrogen (1+ charge, with 4 implied methyls) | 4 | Â | \(\checkmark\) |
L | Open Carbocycle | 0 | Â | \(\checkmark\) |
M | Secondary Amine (NH) | 2 | Â | \(\checkmark\) |
N | Nitrogen | 3 | Â | \(\checkmark\) |
O | Oxygen | 2 | Â | \(\checkmark\) |
P | Phosphorous | 3 | Â | \(\checkmark\) |
Q | Hydroxyl | 1 | \(\checkmark\) | \(\checkmark\) |
R | Benzene | 1 (expandable) | Â | \(\checkmark\) |
S | Sulphur | 3 | Â | \(\checkmark\) |
T | Open Heterocycle | 0 | Â | \(\checkmark\) |
U | Unsaturate bond | 0 | Â | \(\checkmark\) |
V | Carbonyl | 2 | Â | \(\checkmark\) |
W | Add -oxylate | 0 | Â | \(\checkmark\) |
X | Carbon (4 implied methyls) | 4 | Â | Â |
Y | Carbon (3 implied methyls) | 3 | Â | Â |
Z | Primary Amine (NH2) | 0 | \(\checkmark\) | Â |
0..9 | Alkane chain of length n | 0 | Â | Â |
& | Punctuation | Â | Â | Â |
- | Punctuation | Â | Â | Â |
Space | Punctuation | Â | Â | Â |
/ | Punctuation | Â | Â | Â |