1-异丙氧基环己烯 生成 (3R,4R,5S,6R,7S,9R,10E,11R,12R,13S,14S)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-7,12,13-trihydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,7,9,11,13-hexamethyl-10-(1-propan-2-yloxycyclohexyl)oxyimino-oxacyclotetradecan-2-one