406993 SA syringic acid 156 1675556 SYA syringic acid 11 1676125 SYR syringic acid 6 1647156 SRA Syringic acid 4 3507040 SyrA syringic acid 4 3507039 SYRA syringic acid 2 1676145 Syr syringic acid 2 1565384 SAc syringic acid 1 423201 SG syringic acid 1 426559 SI syringic acid 1 450833 SY syringic acid 1 3506281 SYAC syringic acid 1 1615405 Sir syringic acid 1