(2S,3R,4S,5R)-2-(ethylthio)-4,5-bis((4-methoxybenzyl)oxy)tetrahydro-2H-pyran-3-yl 4-methoxybenzoate

[(2S,3R,4S,5R)-2-[(2S,3R,4S,5S)-3-乙酰氧基-2-[[(3R,8S,9R,10R,13S,14R,16R,17S)-3,17-二羟基-10,13-二甲基-17-[(2S)-6-甲基-3-氧代庚烷-2-基]-1,2,3,4,7,8,9,11,12,14,15,16-十二氢环戊烯并[a]菲-16-基]氧基]-5-羟基四氢吡喃-4-基]氧基-4,5-二羟基四氢吡喃-3-基]4-甲氧基苯甲酸酯