structural formula business number 028c molecular formula c16h20n2 molecular weight 240.34 label n,n’-ethylenedi-o-toluidine, n,n ...

structural formula business number 028b molecular formula c17h18n2o2 molecular weight 282.34 label n,n’-disalicylic aldehyde acetyl-1,2-propanediamine, ...

structural formula business number 028a molecular formula c11h14o2 molecular weight 178.23 label 2-ethoxy-5-(1-propenyl)phenol, 1-ethoxy-2 ...

structural formula business number 0289 molecular formula c10h15no2 molecular weight 181.24 label (c2h5o)2c6h3nh2 numbering system physical property data toxi ...