... methylating agent, carbonylating agent, methylolation methoxylation agent in place of the trad It is perfect methylating agent, carbonylating ... agent, methylolation methoxylation agent in place of the traditional material such as phosgene, dimethyl ... and so on; it can be used in synthesis of polycarbonate, diphenyl carbonate, isocynate , allyl-diglycol carbonate ...