isopimaradien - Robuta Search

https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C21H32O2/c1-6-19(2)13-10-16-15(14-19)8-9-17-20(16%2C3)11-7-12-21(17%2C4)18(22)23-5/h6%2C17H%2C1%2C7-14H2%2C2-5H3/t17-%2C19%2B%2C20-%2C21-/m0/s1 Methyl 8,15-Isopimaradien-18-oate methyl