SMILES: C[C@@H](CC1=CC=C(C=C1)OC)NC[C@H](C2=CC(=C(C=C2)O)NC=O)O.C[C@@H](CC1=CC=C(C=C1)OC)NC[C@H](C2=CC(=C(C=C2)O)NC=O)O.C(=C/C(=O)O)\\C(=O)O
Description: The molecule is a fumarate salt prepared from (S,S)-formoterol by reaction of one molecule of fumaric acid for every two molecules of (S,S)-formoterol. It contains a (S,S)-formoterol(1+). It is an enantiomer of an arformoterol fumarate.