附件21.1
註冊人附屬公司名單
Ironwood Pharmaceuticals Securities Corporation(馬薩諸塞州)
Ironwood Pharmaceuticals GmbH(瑞士)
VectivBio AG(瑞士)
VectivBio Comet AG(瑞士)
GlyPharma Therapeutic Inc(加拿大)
VectivBio US,Inc.(特拉華州)