512-61-8;Tricyclo[2.2.1.0(2,6)]heptane, 1,7-dimethyl-7-(4-methyl-3-pentenyl)-, (-)-;Santalene;Tricyclo(2.2.1.0(2,6))heptane, 1,7-dimethyl-7-(4-methyl-3-pentenyl)-, (-)-;alpha-Santalene;.alpha.-Santalene