1,1-Dimethyl-7-isopropyl-1,2,3,4-tetrahydro-phenanthren, 7-Isopropyl-1,1-dimethyl-1,2,3,4-tetrahydro-phenanthren, Sylvic Acid, simonellite, 7-isopropyl-1,4a-dimethyl-1,2,3,4,4a,4b,5,6,10,10a-decahydrophenanthrene-1-carboxylic acid, 1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,4b,5,6,10,10a-decahydro-1,4a-dimethyl-7-(1-methylethyl)-, [1R-(1-,4aα,4b-,10a-)]-, 7-isopropyl-1,1-dimethyl-1,2,3,4-tetrahydro-phenanthrene, Abietic acid, 7,13-Abietadien-18-oic acid, abieta-7,13-dien-18-oic acid, abieta-7,13-diene-18-oic acid