รบกวนโหลดเปเปอร์ครับผม

1)The Structure of Chalybaeizanic Acid and Quaesitic Acid, Two New Lichen Depsidones Related to Salazinic Acid
http://www.publish.csiro.au/CH/CH99056

2)2-Methoxypsoromic Acid, a New Lichen Depsidone from Pertusaria and Sulcaria Species
http://www.publish.csiro.au/CH/CH99059

3)2-Hydroxyvirensic Acid, a New Depsidone from the Lichen Sulcaria sulcata.
http://www.publish.csiro.au/CH/CH00031

4)Subpsoromic Acid, a New Depsidone from the Lichen Ocellularia praestans
http://www.publish.csiro.au/CH/CH00113

email; tpromgool@gmail.com
ขอบคุณมากครับผม