网络释义
1)polyformaldehyde[,pɔlifɔ:'mældihaid],聚甲醛 P2)p-toluic aldehyde,P-甲基苯甲醛(PTA)3)p-Aminobenzaldenhyde,p-氨基苯甲醛4)Naphthalenesulfonic acid, sodium salt, polymer with formaldehyde and 4,4'-sulfonylbis[phenol],萘磺酸钠盐与P,P'-二羟基二苯砜和甲醛的聚合物5)m-(p-Bromophenoxy)benzaldehyde,m-(p-溴苯氧基)苯甲醛6)P-coherent ring,P-凝聚环