[SYNTHESES OF OXAZOLECARBOXYLIC ACID DERIVATIVES. V. SYNTHESES OF 2-OXAZOLECARBOXYLIC ACIDS AND THEIR DECARBOXYLATED PRODUCTS].
D002626:Chemistry, Pharmaceutical; D003653:Decarboxylation; D010080:Oxazoles; D010604:Pharmacy; D011283:Pregnenes; D012106:Research
D010080:Oxazoles; D011283:Pregnenes; C016076:methyl-1alpha, 7alpha-dihydroxy-3-oxopregn-4-en-21-oate
CHEMISTRY, PHARMACEUTICAL; EXPERIMENTAL LAB STUDY; OXAZOLES