(-)-Pin-2(10)-ene (-)-beta-Pinene 18172-67-3 BETA-PINENE-(1S)-(-) Bicyclo(3.1.1)heptane, 6,6-dimethyl-2-methylene-, (1S)- Bicyclo(3.1.1)heptane, 6,6-dimethyl-2-methylene-, (1S,5S)- CCRIS 3201 EINECS 242-060-2