ethyl 2-acetyl-3-ethoxybut-2-enoate

芒霉素

2-甲基-5-(4-硝基苯基)-1,3,4-噁二唑

1-(1-piperidin-1-ylethenyl)piperidine

[4-(6-aminopurin-9-yl)-2-ethoxy-2-methyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]methanol