1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,4b,5,6,7,9,10,10a-dodecahydro-1,4a-dimethyl-7-(1-methylethylidene)-, (1R,4aR,4bS,10aR)- 471-77-2 AIDS-030498 AIDS030498 NSC5007 Neoabietic acid