10.81
[1]. S Ting, et al. Liquid chromatographic determination of levodopa, levodopa-carbidopa, and related impurities in solid dosage forms. J Assoc Off Anal Chem. 1986 Jan-Feb;69(1):169-73.
H31-H319-H33
P261-P26-P271-P280-P302+P32-P30+P30-P30+P31+P338-P362-P03+P233-P0-P01