Drugs Causing Stomach Cramps: 4
Drug Name	CAS Number	Source
Cefazolin	25953-19-9	ADReCS
Hydromorphone	466-99-9	ADReCS
Morphine	57-27-2	ADReCS
Oxycodone	76-42-6	ADReCS

List of proteins causing Stomach Cramps
Protein Name	Uniprot ID	Source