Precursor to metabolite: Norgestimate to Norelgestromin

Norgestimate is converted to Norelgestromin by esterase.

Norgestimate mascot — mnemonic cartoon — Norgestimate — mascot

The pair

Norgestimate — Contraceptive progestin acting through its metabolite norelgestromin.
Norelgestromin — Active progestin of the norgestimate and transdermal patch systems.

Norgestimate · Norelgestromin · Open Norgestimate in the interactive console ↗