- Ruxolitinib（941678-49-5）Zibo Hangyu Biotechnology Development Co., Ltd
- Ropinirole hydrochloride（91374-20-8）Zibo Hangyu Biotechnology Development Co., Ltd
- Ractopamine hydrochloride（90274-24-1）Zibo Hangyu Biotechnology Development Co., Ltd
- Rebamipide（90098-04-7）Zibo Hangyu Biotechnology Development Co., Ltd
- Racecadotril（81110-73-8）Zibo Hangyu Biotechnology Development Co., Ltd
- Rifaximin（80621-81-4）Zibo Hangyu Biotechnology Development Co., Ltd
- Roxithromycin（80214-83-1）Zibo Hangyu Biotechnology Development Co., Ltd
- Rifabutin（72559-06-9）Zibo Hangyu Biotechnology Development Co., Ltd
- Rivaroxaban（366789-02-8）Zibo Hangyu Biotechnology Development Co., Ltd
- Ramelteon（196597-26-9）Zibo Hangyu Biotechnology Development Co., Ltd
- Roflumilast（162401-32-3）Zibo Hangyu Biotechnology Development Co., Ltd
- Ritonavir（155213-67-5）Zibo Hangyu Biotechnology Development Co., Ltd
- Repaglinide（135062-02-1）Zibo Hangyu Biotechnology Development Co., Ltd
- Rifampicin（13292-46-1）Zibo Hangyu Biotechnology Development Co., Ltd
- Ropivacaine hydrochloride（132112-35-7）Zibo Hangyu Biotechnology Development Co., Ltd
- Rivastigmine tartrate（129101-54-8）Zibo Hangyu Biotechnology Development Co., Ltd
- Rivastigmine（123441-03-2）Zibo Hangyu Biotechnology Development Co., Ltd
- Retatrutide（2381089-83-2）Zibo Hangyu Biotechnology Development Co., Ltd
- Rivaroxaban intermediate（446292-08-6）Hangzhou Huarong Pharm Co., Ltd.
- Resmetirom（920509-32-6）Hangzhou Huarong Pharm Co., Ltd.
