(4aR-(4aalpha,8 alpha,10 beta,10balpha))-2,3,4a,8,9,10,10a,10b-Octahydro-10-hydroxy-4a,8,10b-trimethyl-1H-naphtho(2,1-b)pyran-1-one 53342-17-9 LL-N 313 LL-N313 zeta