Post 428632 (https://www.thevespiary.org/talk/index.php?topic=11523.msg42863200#msg42863200)
(Rhodium: "Piperonal + MEK -> Isosafrole?", Novel Discourse) with another post, possiblyPost 438325 (https://www.thevespiary.org/talk/index.php?topic=9020.msg43832500#msg43832500)
(Rhodium: "Norpseudoephedrine synthesis & optical resolution", Methods Discourse).Post 245942 (https://www.thevespiary.org/talk/index.php?topic=12139.msg24594200#msg24594200)
(twodogs: "New method for P2P", Novel Discourse) P2P, aldol, MEK, benzaldehyde ect. ;)