html'>long term effects wellbutrin wellbutrin xl approved seasonal affective disorder 1-propanone Identifiers CAS number 34841-39-9 ATC code N07 BA02 PubChem wellbutrin alcohol side effects 444 DrugBank APRD00621 Chemical data wellbutrin 100mg Formula C13 H18 Cl N Friedman drug test wellbutrin M, Solomon V, Shekelle PG, Morton SC.