From: chemf: A purely functional chemistry toolkit
CCO
[cH+]1cc1
[NH3+][C@H](C)C(=O)[O-]
LGraph:
0: CH3
0: CH(+1)
0: NH3(+1)
1: CH2
1: CH
1: CH(@)
2: OH
2: CH
2: CH3
3: C
0 - 1: -
0 - 1: :
4: O
1 - 2: -
0 - 2: :
5: O(-1)
1 - 2: :
1 - 3: -
3 - 4: =
3 - 5: -