structural formula business number 017v molecular formula c11h12cl2n2o5 molecular weight 323.14 label levomycin, 2,2-dichloro-n-[2-hydroxy ...

structural formula business number 02c4 molecular formula c12h20o2 molecular weight 196 label none numbering system physical property data toxicological data ...

structural formula business number 01hx molecular formula c2h4o molecular weight 44.05 label anhydrous acetaldehyde, acetaldehyde, ...

structural formula business number 02c3 molecular formula c15h17n3 molecular weight 239.32 label di-o-toluene guanidine, 2 o-toluene guani ...