68921-48-2 Bicyclo(3.1.1)heptane, 6,6-dimethyl-2-methylene-, reaction products with formaldehyde Bicyclo(3.1.1)heptane, 6,6-dimethyl-2-methylene-, reaction productswith formaldehyde EINECS 272-942-2 beta-Pinene, formaldehyde condensation product