39995-74-9 Bis(2,3-dihydro-2,2-dimethyl-7-benzofuranyl) dithiobis(methylcarbamate) Biscarbofuran N,N'-disulfide Carbamic acid, dithiobis(methyl-, bis(2,3-dihydro-2,2-dimethyl-7-benzofuranyl) ester Carbosulfan