(S)-Lisofylline 是 (R)-lisofylline 的无活性光学对映体，而 (R)-lisofylline 是一种抗炎剂。 (S)-利索茶碱在人肝微粒体中专门转化为己酮可可碱。

1-Phenylethanol has a nongenotoxic mode of action responsible for the lung and liver tumors observed in mice following 2 years of inhalation exposure to ethylbenzene.

Bepotastine free base 是一种组胺 1 (H1) 受体拮抗剂。