structural formula business number 02ck molecular formula c4h6o5 molecular weight 134.09 label s(-)-2-hydroxysuccinic acid, l-butanoldioic ...

structural formula business number 01tk molecular formula c11h20o4 molecular weight 216.27 label 2-sec-butylmalonate diethyl ester, 2-sec- ...

structural formula business number 018b molecular formula c19h42brn molecular weight 364.46 label cetrimonium bromide, cetyltrimethylammo ...

structural formula business number 01jb molecular formula c3h7br molecular weight 122 label aliphatic halogenated derivatives numbering system physical proper ...