後こう発はつ医い薬やく品ひんこうはついやくひんMeanings1noungeneric drugA drug that is equivalent to a brand-name drug in dosage, strength, and performance, but is typically sold under its chemical name.後こう発はつ医い薬やく品ひんは先せん発ぱつ医い薬やく品ひんより安やすい