viridofulvin

Noun

 * 1)  The polyhydroxy polyunsaturated macrocyclic ketone 16,18,20,22,24,26,28,30,32-nonahydroxy-17,35-dimethyl-1-oxacyclohexatriaconta-3,5,7,9,11,13,33-heptaen-2-one.