cinchonain Ib

(2R,3R,10S)-2,10-Bis(3,4-dihydroxyphenyl)-3,5-dihydroxy-3,4,9,10-tetrahydro-2H,8H-pyrano[2,3-f]chromen-8-on

(2R,3R,10S)-2,10-Bis(3,4-dihydroxyphenyl)-3,5-dihydroxy-3,4,9,10-tetrahydro-2H,8H-pyrano[2,3-f]chromen-8-one

(2R,3R,10S)-2,10-Bis(3,4-dihydroxyphényl)-3,5-dihydroxy-3,4,9,10-tétrahydro-2H,8H-pyrano[2,3-f]chromén-8-one

2H,8H-Benzo[1,2-b:3,4-b′]dipyran-8-one, 2,10-bis(3,4-dihydroxyphenyl)-3,4,9,10-tetrahydro-3,5-dihydroxy-, (2R,3R,10S)-

85022-69-1

cinchonain Ib

[Wiki]

(2R,3R,10S)-2,10-bis(3,4-dihydroxyphenyl)-3,5-dihydroxy-3,4,9,10-tetrahydro-2H-pyrano[2,3-f]chromen-8-one

cinchonain Ia

Cinchonain-Ib