(1S-exo)-2-Methyl-3-methylene-2-(4-methyl-3-pentenyl)bicyclo(2.2.1)heptane 511-59-1 BETA-SANTALENE Bicyclo(2.2.1)heptane, 2-methyl-3-methylene-2-(4-methyl-3-pentenyl)-, (1S,2R,4R)- EINECS 208-130-1