154445-09-7 2,4-Pentadienoic acid, 5-(5,6,7,8-tetrahydro-2-(hydroxymethyl)-6,8-dimethyl-1-naphthalenyl)- 5-(2-Hydroxymethyl-6,8-dimethyl-5,6,7,8-tetrahydronaphthalene)-2,4-pentadienoic acid Arohynapene B