Tolnidamine

**Semantic type:** Pharmacologic Substance

**Definition:** An indazole carboxylic acid derivative with antispermatogenic and potential antineoplastic activity. As a male contraceptive, tolnidamine may irreversibly inhibit sperm production. This agent is less nephrotoxic than ionidamide, but it is just as effective in antispermatogenic action to ionidamide.

**Synonyms:** - 1b Indozadole - TOLNIDAMINE