References
https://reference.medscape.com/drugs/enzyme-cofactors
https://www.webmd.com/drugs/2/drug-149826-1916/sapropterin-oral/sapropterin-oral/details
https://medlineplus.gov/druginfo/meds/a608020.html
https://cnes.jsintl.com.cn/?blood=acthrel-drug.htm
https://www.webmd.com/drugs/2/drug-149826-1916/sapropterin-oral/sapropterin-oral/details
https://medlineplus.gov/druginfo/meds/a608020.html
https://cnes.jsintl.com.cn/?blood=acthrel-drug.htm