the common origin of oxalic acid carbon in the c1 and c2 fragment from l-ascorbic acid is demonstrated by comparison of ( 14 ) c content of oxalic acid in several oxalate-accumulators after cuttings or seedlings are supplied equal amounts of l- [ 1- ( 14 ) c ] - or l- [ ul- ( 14 ) c ] ascorbic acid .
C0069715
oxalic acid
C0029988
oxalate