72283-61-5 Herbicidin F alpha-L-ido-D-lyxo-5-Undeculo-5,9-pyranosonic acid, 11-C-(6-amino-9H-purin-9-yl)-2,6,8,11-dianhydro-7-deoxy-10-O-methyl-, methyl ester, 4-(2-methyl-2-butenoate), (4(E),11R)-