N,N-Dimethyl- β-alanine (3R,4aR,S,S,6S,1S,10aR,10S)-5-(Acetyloxy)-3-ethenyldodecahydro-10,10b-dihydroxy-3,4a,7,7,10a-pentamethyl-1-oxo-1H-naphtho[2,1-b]pyran-6-yl Ster Hydrochloride; N,N-Dimethyl- β-alanine [3R-(3α,4a β,5 β,6 β,6aα,10α,10a β,10bα)]-5-(Acetyloxy)-3-ethenyldodecahydro-10,10b-dihydroxy-3,4a,7,7,10a-pentamethyl-1-oxo-1H-naphtho[2,1-b]pyran-6-yl Ster Hydrochloride; 1H-Naphtho[2,1-b]pyran, β-alanine deriv.; 6-(3-Dimethylaminopropi