在南通酒店晚上怎么叫服务

在南通酒店晚上怎么叫服务

sell N,N'-(4-Methyl-1,3-phenylene)bis[1-pyrrolidinecarboxamide]; 60006-11-3

N,N'-(4-Methyl-1,3-phenylene)bis[1-pyrrolidinecarboxamide] be used to produce electronic materials and the catalyst for epoxy curing.