(Bicyclo(2.2.1)hept-5-en-2-ylmethyl)(methyl)((1,2,3,4,4a,5,8,8a-octahydro-1,4:5,8-dimethanonaphthalen-2-yl)methyl)phosphine 70766-51-7 EINECS 274-856-0 Phosphorous acid, bicyclo(2.2.1)hept-5-en-2-ylmethyl methyl (1,2,3,4,4a,5,8,8a-octahydro-1,4:5,8-dimethanonaphthalen-2-yl)methyl ester Phosphorous acid, methyl 5-norbornen-2-ylmethyl (1,2,3,4,4a,5,8,8a-octahydro-1,4:5,8-dimethanonaphth-2-yl)methyl ester