1ST7205 黄曲霉素B1 Aflatoxin B1 1162-65-8 1ST7206 黄曲霉素B2 Aflatoxin B2 7220-81-7 1ST7207 黄曲霉素G1 Aflatoxin G1 1165-39-5 1ST7208 黄曲霉素G2 Aflatoxin G2 7241-98-7