1-Piperazinebutanoic acid, 4-methyl-, 3-ethenyldodecahydro-1-oxo-3,4a,7,7,10a-pentamethyl-5,10,10b-trihydroxy-1H-naphtho(2,1-b)pyran-6-yl ester, dihydrochloride, (3R-(3-alpha,4a-beta,5-beta,6-beta,6a-alpha,10-alpha,10a-beta,10b-alpha))- 115076-95-4 1H-Naphtho(2,1-b)pyran, 1-piperazinebutanoic acid deriv. (9CI)