risedronate

noun

ris·​ed·​ro·​nate ri-ˈsed-rə-ˌnāt 

variants also risedronate sodium

: a sodium bisphosphonate salt C₇H₁₀NNaO₇P₂ taken orally to inhibit bone resorption especially in the prevention or treatment of osteoporosis in postmenopausal women

Note: Risedronate is marketed under the trademarks Actonel and Atelvia.