67-56-1
甲醇
+
584-84-9
甲苯二异氰酸酯
→
91485-85-7
91485-86-8
methyl N-(5-isocyanato-2-methylphenyl)carbamate
6935-99-5
methyl N-[3-(methoxycarbonylamino)-4-methylphenyl]carbamate