A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, HPLC of Formula: C19H18ClN3O4, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 883984-95-0, Name is Benzyl 7′-chloro-2′-oxo-1′,2′-dihydrospiro[piperidine-4,4′-pyrido[2,3-d][1,3]oxazine]-1-carboxylate, molecular formula is C19H18ClN3O4. In a Patent, authors is ，once mentioned of 883984-95-0
The present invention relates to new CGRP-antagonists of general formulae Ia and Ib wherein R1, R2, R3, R4 and R5 are defined as mentioned below, the tautomers, the isomers, the diastereomers, the enantiomers, the hydrates, the mixtures and the salts thereof as well as the hydrates of the salts, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases, pharmaceutical compositions containing these compounds, the use thereof and processes for the preparation thereof.
I hope this article can help some friends in scientific research. I am very proud of our efforts over the past few months and hope to 883984-95-0, help many people in the next few years.HPLC of Formula: C19H18ClN3O4
Reference：
Piperidine – Wikipedia,
Piperidine | C5H23903N – PubChem