CTMTNA-r

Cyclotrimethylenetrinitrosamine -r salt

As shown, CTMTNA stands for cyclotrimethylenetrinitrosamine. It is a close cousin of RDX, which is cyclotrimethylenetrinitramine. However, it is missing 1 oxygen molecule from each nitro group (making it a nitroso group). It is a yellow solid, produced by the action of nitrous acid on hexamine. It is quite powerful