(4R,6S)-5,6-二氢-4-羟基-6-甲基噻吩并[2,3-B]噻喃-7,7-二氧化物(5 6-dihydro-(r)-4-hydroxy-(s)-6- methyl -4h-thieno-(2 3-b) thiphyran 7 7-dioxide )CAS NO: 147128-77-6