phthiocol / thiokol [ˈθaiəkɔl]
phthiocol – n. – a yellow crystalline quinone C11H8O3 with vitamin K activity that is isolated from bacteria and can also be made synthetically; 2-hydroxy-3-methyl-1,-4-naphthoquinone
thiokol – n. – used for any of a series of polysulfied rubbers or closely related liquid polymers of H20 latices.