The bank

A disconnection is finished when everything left is on a shelf somewhere. These are the … building blocks the engine treats as starting materials, each with a rough price tier and, for … of them, where they turn up in nature.

Commodity

bulk chemical, pennies a gram

Cheap

ordinary reagent, in every catalogue

Moderate

stocked, but you notice the price

Pricey

speciality building block

Tiers are a chemist’s rule of thumb, not supplier quotes. Structures are checked against PubChem.

Loading the chemistry engine…