Also Called: Abietic acid; 1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,4b,5,6,10,10a-decahydro-1,4a-dimethyl-7-(1-methylethyl)-, [1R-(1.alpha.,4a.beta.,4b.alpha.,10a.alpha.)]- [Abietic acid];1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,4b,5,6,10,10a- decahydro-1,4a-dimethyl-7-(1-methylethyl)-, [1R-(1α,4aß,4bα,10aα)]-