structural formula physical competition number 014t molecular formula c13h19no9 molecular weight 333.29 label l-3,4-dihydroxy-alpha-((methylamino)methyl)benzyl alcohol d-bitartrate, c9h13no3·c4h6o6 numbering system physical property data toxicological data ecological data molecular structure data computing chemical data more properties and stability storage method synthesis method purpose numbering system cas number:51-42-3 mdl number:mfcd00035077 einecs number:200-097-1 rtecs number:do3500000 brn number:none pubchem number:24277774...