Azatadine

Azatadine
Clinical data
Trade names	Optimine
AHFS/Drugs.com	Micromedex Detailed Consumer Information
ATC code	R06AX09 (WHO) ;
Identifiers
	IUPAC name 11-(1-Methylpiperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine;
CAS Number	3964-81-6 ;
PubChem CID	19861;
IUPHAR/BPS	7119;
DrugBank	DB00719 ;
ChemSpider	18709 ;
UNII	94Z39NID6C;
KEGG	D07482 ;
ChEBI	CHEBI:2946 ;
ChEMBL	ChEMBL946 ;
CompTox Dashboard (EPA)	DTXSID6022636 ;
Chemical and physical data
Formula	C20H22N2
Molar mass	290.410 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES n4c3\C(=C1/CCN(C)CC1)c2ccccc2CCc3ccc4;
	InChI InChI=1S/C20H22N2/c1-22-13-10-16(11-14-22)19-18-7-3-2-5-15(18)8-9-17-6-4-12-21-20(17)19/h2-7,12H,8-11,13-14H2,1H3 ; Key:SEBMTIQKRHYNIT-UHFFFAOYSA-N ;
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Azatadine (Optimine) is a first-generation antihistamine and anticholinergic drug that was synthesized in 1963 by Schering-Plough, a former American pharmaceutical company.

It was patented in 1967. It has been succeeded by both loratadine and desloratadine.^: 53 and marketing approvals have been widely withdrawn.^: 290