Butopamine differs from dobutamine in location of only one hydroxyl group, but is no longer a catecholamine. References: Nagai K, Misonou Y, Fujisaki Y, Fuyuki R, Horii Y. Topical application of L-carnosine to skeletal muscle excites the sympathetic nerve innervating the contralateral skeletal muscle in rats. Amino Acids. 2018 Jun 20. doi: 10.1007/s00726-018-2597-4. [Epub ahead of print] PubMed PMID: 29926197.

纯度：≥98%

CAS：66734-12-1