[`standard_centimeter_per_minute`](https://docs.rs/uom/latest/uom/si/catalytic_activity/struct.standard_centimeter_per_minute.html) is a unit for amount of substance per time, and appears alongside units such as [`standard_cubic_foot_per_minute`](https://docs.rs/uom/latest/uom/si/catalytic_activity/struct.standard_cubic_foot_per_minute.html) under [catalytic activity](https://docs.rs/uom/latest/uom/si/catalytic_activity/index.html). So it should probably use cubic centimeters rather than centimeters.