[1] 
[CITE[Daylight Theory: SMILES]], [TIME[2014-12-02T22:55:24.000Z]], [TIME[2025-03-28T04:01:55.109Z]] <https://www.daylight.com/dayhtml/doc/theory/theory.smiles.html>

[3] [CITE[OpenSMILES specification]], [TIME[2021-09-21T17:41:48.000Z]], [TIME[2025-03-28T04:02:15.762Z]] <https://opensmiles.org/opensmiles.html>

[2] [CITE@ja[SMILES記法は化学構造の線形表記法 | 化学の新しいカタチ]], [TIME[2025-03-28T04:05:03.000Z]] <https://future-chem.com/smiles-smarts/>