(14)C labeled technique

13C-labeled

14 C labeled

14C labeled straw

14C labeled synthesis

14C-labeled

C-labeled chlorsulfuron

Quinocetone labeled by 14C

section c-c c-c

(C)c-condition

Asymmetric C—C bond forming

C & C

C C

C C coupling

C C curve

C C method

C&C

C/C composites

C-C