Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YAMAMOTO YUTAKA and WATANABE YUKIYOSHI and OHNISHI SHUHEI,"1,3-Oxazines and related compounds. XIII. Reaction of acyl Meldrum's acids with Schiff bases giving 2,3-disubstituted 5-acyl-3,4,5,6-tetrahydro-2H-1,3-oxazine-4,6-diones and 2,3,6-trisubstituted 2,3-dihydro-1,3-oxazin-4-ones.",Chemical and Pharmaceutical Bulletin,0009-2363,The Pharmaceutical Society of Japan,1987,35,5,1860-1870,https://cir.nii.ac.jp/crid/1390282679144225920,https://doi.org/10.1248/cpb.35.1860