2-Hydroxy-5-((1S)-1-hydroxy-2-(((1S)-1-methyl-3-phenylpropyl)amino)ethyl)benzamide 83167-24-2 Benzamide, 2-hydroxy-5-((1S)-1-hydroxy-2-(((1S)-1-methyl-3-phenylpropyl)amino)ethyl)- S,S-Labetalol