SMILES: C[C@H](CCC1=CC=C(C=C1)O)NC[C@@H](C2=CC=C(C=C2)O)O
Description: The molecule is a 4-(1-hydroxy-2-{[4-(4-hydroxyphenyl)butan-2-yl]amino}ethyl)phenol in which both stereocentres have R configuration. It is the most active of the four diastereoisomers that make up the animal feed additive ractopamine. It has a role as a beta-adrenergic agonist and an animal growth promotant. It is an enantiomer of an ent-butopamine.