| 英文名称: | | 3-benzenediamine, 2(or 4)-methyl-4,6(or 2,6) -bis(methylthio)- polymer with | | alpha-[[[3-isocyanato-4(or 6)-methylphenyl]amino]carbonyl]- omega -[[[3-isocyan | | ato-4(or 6)-methylphenyl]amino]carbonyl]oxy]poly(oxy-1,4-butanediyl) | | 1,3-benzenediamine, 2(or 4)-methyl-4,6(or 2,6) |
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