C08G 18/6681

{Compounds of group [CPC: C08G18/48] or [CPC: C08G18/52] with compounds of group [CPC: C08G18/32] or polyamines of [CPC: C08G18/38] with compounds of group [CPC: C08G18/32] or [CPC: C08G18/3271] and/or polyamines of [CPC: C08G18/38]}