On this page, you can select 「MainGroup」 or 「Facet」 in C12F. HB:Handbook Select the desired 「MainGroup」 or 「facet」 etc. CC:Concordance ReturnTo FI-Section/Broad-Facet-Choice Onelevelup C12F3/00 Recovery of by-products HB CC 4B128 C12F5/00 Preparation of denatured alcohol HB CC 4B128 TOP